SUSE Linux Advisories: squid, cvs

Written By
Web Webster
Web Webster
Jun 10, 2004

SUSE Security Announcement

Package: squid
Announcement-ID: SuSE-SA:2004:016
Date: Wednesday, Jun 9th 2004 16:30 MEST
Affected products: 8.2, 9.0, 9.1
Vulnerability Type: remote system compromise
Severity (1-10): 5
SUSE default package: no
Cross References: CAN-2004-0541

Content of this advisory:

  1. security vulnerability resolved:
    • buffer overflow problem description, discussion, solution and
      upgrade information
  2. pending vulnerabilities, solutions, workarounds:
    • icecast
    • sitecopy
    • cadaver
    • tla
    • OpenOffice_org
    • tripwire
    • postgresql
    • lha 3) standard appendix (further information)

1) problem description, brief discussion, solution, upgrade
information

Squid is a feature-rich web-proxy with support for various
web-related protocols.
The NTLM authentication helper application of Squid is vulnerable
to a buffer overflow that can be exploited remotely by using a long
password to execute arbitrary code. NTLM authentication is enabled
by default in the Squid package that is shipped by SUSE LINUX.

There is no workaround known other then turning off the NTLM
authentication.

Please download the update package for your distribution and
verify its integrity by the methods listed in section 3) of this
announcement. Then, install the package using the command “rpm -Fhv
file.rpm” to apply the update.
Our maintenance customers are being notified individually. The
packages are being offered to install from the maintenance web.

Intel i386 Platform:

SuSE-9.1:

ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/squid-2.5.STABLE5-42.9.i586.rpm

ea3da461f226cc881562b06224a8370e
patch rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/squid-2.5.STABLE5-42.9.i586.patch.rpm

f85bd7c071695d0d9c304969c5a35a23
source rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/squid-2.5.STABLE5-42.9.src.rpm

610caf4de1d7333af0f8613767d40bb0

SuSE-9.0:

ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/squid-2.5.STABLE3-110.i586.rpm

fc31dd7379b249d8f9a07d0f4464996d
patch rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/squid-2.5.STABLE3-110.i586.patch.rpm

06961779c39bca33ee2d619773f47f39
source rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/squid-2.5.STABLE3-110.src.rpm

90c171552d03e2efb731d25a4ffbf553

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SuSE-8.2:

ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/squid-2.5.STABLE1-98.i586.rpm

d35da0a2719ca8de24c299ef9a8dbe3f
patch rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/squid-2.5.STABLE1-98.i586.patch.rpm

0aa98cf95a23a0ea35a2e6657717243e
source rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/squid-2.5.STABLE1-98.src.rpm

4fdd84cebf8dbdc7334e48a9f8369efc

SuSE-8.0:

ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/squid-2.4.STABLE6-9.i386.rpm

fa4780901f96712ea22eef28bdf53700
patch rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.0/n2/squid-2.4.STABLE6-9.i386.patch.rpm

917c26da9c444085d045b708548eae3e
source rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/squid-2.4.STABLE6-9.src.rpm

dc96baf5541829ee6e615861d17146aa

Opteron x86_64 Platform:

SuSE-9.1:

ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/squid-2.5.STABLE5-42.9.x86_64.rpm

868c4121e1622f6ac91a8eaac414eabe
patch rpm(s):

ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/squid-2.5.STABLE5-42.9.x86_64.patch.rpm

0cbc28a5262dfe4eb72ee3fbbb5b4657
source rpm(s):

ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/squid-2.5.STABLE5-42.9.src.rpm

20ab0af37af2139e1de8f1f4edfcc2c6

SuSE-9.0:

ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/squid-2.5.STABLE3-110.x86_64.rpm

616f32f8196ed53a4f5f163f33d2a838
patch rpm(s):

ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/squid-2.5.STABLE3-110.x86_64.patch.rpm

72ca1d31e833be4d9e9c150349d2bbbc
source rpm(s):

ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/squid-2.5.STABLE3-110.src.rpm

632bd7bdbe116eff14213b9f6245cd0a


2) Pending vulnerabilities in SUSE Distributions and
Workarounds:

  • icecast
    The icecast service is vulnerable to a remote denial-of-service
    attack. Update packages will be available soon.
  • sitecopy
    The sitecopy package includes a vulnerable version of the neon
    library (CAN-2004-0179, CAN-2004-0398). Update packages will be
    available soon.
  • cadaver
    The cadaver package includes a vulnerable version of the neon
    library (CAN-2004-0179, CAN-2004-0398). Update packages will be
    available soon.
  • tla
    The tla package includes a vulnerable version of the neon library
    (CAN-2004-0179, CAN-2004-0398). Update packages are available on
    our FTP servers.
  • OpenOffice_org
    The OpenOffice_org package includes a vulnerable version of the
    neon library (CAN-2004-0179, CAN-2004-0398). Update packages will
    be available soon.
  • tripwire
    A format string bug in tripwire can be exploited locally to gain
    root permissions. Update packages will be available soon.
  • postgresql
    A buffer overflow in psqlODBC could be exploited to crash the
    application using it. E.g. a PHP script that uses ODBC to access a
    PostgreSQL database can be utilized to crash the surrounding Apache
    web-server. Other parts of PostgreSQL are not affected. Update
    packages will be available soon.
  • lha
    Minor security fix for a buffer overflow while handling command
    line options. This buffer overflow could be exploited in
    conjunction with other mechanisms to gain higher privileges or
    access the system remotely.

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3) standard appendix: authenticity verification, additional
information

  • Package authenticity verification:

    SUSE update packages are available on many mirror ftp servers
    all over the world. While this service is being considered valuable
    and important to the free and open source software community, many
    users wish to be sure about the origin of the package and its
    content before installing the package. There are two verification
    methods that can be used independently from each other to prove the
    authenticity of a downloaded file or rpm package:

    1. md5sums as provided in the (cryptographically signed)
      announcement.
    2. using the internal gpg signatures of the rpm package.
    3. execute the command md5sum <name-of-the-file.rpm> after
      you downloaded the file from a SUSE ftp server or its mirrors.
      Then, compare the resulting md5sum with the one that is listed in
      the announcement. Since the announcement containing the checksums
      is cryptographically signed (usually using the key security@suse.de), the checksums show
      proof of the authenticity of the package. We disrecommend to
      subscribe to security lists which cause the email message
      containing the announcement to be modified so that the signature
      does not match after transport through the mailing list software.
      Downsides: You must be able to verify the authenticity of the
      announcement in the first place. If RPM packages are being rebuilt
      and a new version of a package is published on the ftp server, all
      md5 sums for the files are useless.
    4. rpm package signatures provide an easy way to verify the
      authenticity of an rpm package. Use the command rpm -v –checksig
      <file.rpm> to verify the signature of the package, where
      <file.rpm> is the filename of the rpm package that you have
      downloaded. Of course, package authenticity verification can only
      target an un-installed rpm package file. Prerequisites:
      1. gpg is installed
      2. The package is signed using a certain key. The public part of
        this key must be installed by the gpg program in the directory
        ~/.gnupg/ under the user’s home directory who performs the
        signature verification (usually root). You can import the key that
        is used by SUSE in rpm packages for SUSE Linux by saving this
        announcement to a file (“announcement.txt”) and running the command
        (do “su -” to be root): gpg –batch; gpg < announcement.txt |
        gpg –import SUSE Linux distributions version 7.1 and thereafter
        install the key “build@suse.de”
        upon installation or upgrade, provided that the package gpg is
        installed. The file containing the public key is placed at the
        top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de
        .
  • SUSE runs two security mailing lists to which any interested
    party may subscribe:

    suse-security@suse.com

  • general/linux/SUSE security discussion. All SUSE security
    announcements are sent to this list. To subscribe, send an email to

    <suse-security-subscribe@suse.com>.

    suse-security-announce@suse.com

  • SUSE’s announce-only mailing list. Only SUSE’s security
    announcements are sent to this list. To subscribe, send an email to

    <suse-security-announce-subscribe@suse.com>.

For general information or the frequently asked questions (faq)
send mail to:

<suse-security-info@suse.com>
or <suse-security-faq@suse.com>
respectively.


SUSE’s security contact is <security@suse.com> or
<security@suse.de>. The
<security@suse.de>
public key is listed below.



The information in this advisory may be distributed or
reproduced, provided that the advisory is not modified in any way.
In particular, it is desired that the clear-text signature shows
proof of the authenticity of the text.
SUSE Linux AG makes no warranties of any kind whatsoever with
respect to the information contained in this security advisory.

Type Bits/KeyID Date User ID
pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>


SUSE Security Announcement

Package: cvs
Announcement-ID: SuSE-SA:2004:015
Date: Wed Jun 9 15:00:00 MEST 2004
Affected products: 8.0, 8.1, 8.2, 9.0, 9.1 SuSE Firewall on CD 2 –
VPN SuSE Firewall on CD 2 SuSE Linux Enterprise Server 7, 8 SuSE
Linux Office Server UnitedLinux 1.0
Vulnerability Type: remote command execution
Severity (1-10): 6
SUSE default package: No.
Cross References: CAN-2004-0416 CAN-2004-0417 CAN-2004-0418

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Content of this advisory:

  1. security vulnerability resolved: various security issues in cvs
    problem description, discussion, solution and upgrade
    information
  2. pending vulnerabilities, solutions, workarounds:
    • icecast
    • sitecopy
    • cadaver
    • tla
    • OpenOffice_org
    • tripwire
    • postgresql
    • lha
    • apache/mod_ssl
  3. standard appendix (further information)

1) problem description, brief discussion, solution, upgrade
information

The Concurrent Versions System (CVS) offers tools which allow
developers to share and maintain large software projects. Various
remotely exploitable conditions have been found during a source
code review of CVS done by Stefan Esser and Sebastian Krahmer (SuSE
Security-Team).
These bugs allow remote attackers to execute arbitrary code as the
user the CVS server runs as. Since there is no easy workaround we
strongly recommend to update the cvs package. The update packages
fix vulnerabilities which have been assigned the CAN numbers
CAN-2004-0416, CAN-2004-0417 and CAN-2004-0418. The cvs packages
shipped by SUSE (as well as our recent updates for CVS) are not
vulnerable to CAN-2004-0414.

Please download the update package for your distribution and
verify its integrity by the methods listed in section 3) of this
announcement. Then, install the package using the command “rpm -Fhv
file.rpm” to apply the update.
Our maintenance customers are being notified individually. The
packages are being offered to install from the maintenance web.

Intel i386 Platform:

SuSE-9.1:

ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/cvs-1.11.14-24.6.i586.rpm

47731cff36f671c97e90a8b304dfa508
patch rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/cvs-1.11.14-24.6.i586.patch.rpm

d9aaad71404029c53d3972f035f58b41
source rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/cvs-1.11.14-24.6.src.rpm

f3fdcd3355df637c34d1c2058be48fba

SuSE-9.0:

ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/cvs-1.11.6-83.i586.rpm

b2c14b51a074fd8059af6d084d2684bd
patch rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/cvs-1.11.6-83.i586.patch.rpm

e22c93b42f31ac7e9319cf31a266f6c0
source rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/cvs-1.11.6-83.src.rpm

211950707baf445fbe87fd73b243da18

SuSE-8.2:

ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/cvs-1.11.5-114.i586.rpm

c9e1680bd0fa4fb5239e89747add07e9
patch rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/cvs-1.11.5-114.i586.patch.rpm

8cabcc36b298326e738311cad37f32dc
source rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/cvs-1.11.5-114.src.rpm

ebeca38a0d002044c68c20bfc051b14f

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SuSE-8.1:

ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/cvs-1.11.1p1-332.i586.rpm

597bac9a562582828b1f5cadd30f004f
patch rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/cvs-1.11.1p1-332.i586.patch.rpm

fc1a12767ad7e2fbfb7294cc4112b2f7
source rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/cvs-1.11.1p1-332.src.rpm

fb51cfd019b7f84857b6c6454b21418d

SuSE-8.0:

ftp://ftp.suse.com/pub/suse/i386/update/8.0/d3/cvs-1.11.1p1-332.i386.rpm

67de2e7aed4d0cc282965118bd1afb66
patch rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.0/d3/cvs-1.11.1p1-332.i386.patch.rpm

9a1a381eba6312ab168e22c7d519a93a
source rpm(s):

ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/cvs-1.11.1p1-332.src.rpm

b10baa53b3e0e4a1d0839cb5d4696215

Opteron x86_64 Platform:

SuSE-9.1:

ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/cvs-1.11.14-24.6.x86_64.rpm

6aec551d7128a714e40cc30e94b8f885
patch rpm(s):

ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/cvs-1.11.14-24.6.x86_64.patch.rpm

64cb1180ab428731febd8259da9cf15d
source rpm(s):

ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/cvs-1.11.14-24.6.src.rpm

98bb92fa2691254c2928cb54a9b40767

SuSE-9.0:

ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/cvs-1.11.6-83.x86_64.rpm

c913bf7436b3e7b9ccc1dda4a4af6f41
patch rpm(s):

ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/cvs-1.11.6-83.x86_64.patch.rpm

5bbdbaf7ea7df6d57c8c1581e2ca5d87
source rpm(s):

ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/cvs-1.11.6-83.src.rpm

f2953162aa93eb55b9f4c5200bedde6d


2) Pending vulnerabilities in SUSE Distributions and
Workarounds:

  • icecast The icecast service is vulnerable to a remote
    denial-of-service attack. Update packages will be available
    soon.
  • sitecopy The sitecopy package includes a vulnerable version of
    the neon library (CAN-2004-0179, CAN-2004-0398). Update packages
    will be available soon.
  • cadaver The cadaver package includes a vulnerable version of
    the neon library (CAN-2004-0179, CAN-2004-0398). Update packages
    will be available soon.
  • tla The tla package includes a vulnerable version of the neon
    library (CAN-2004-0179, CAN-2004-0398). Update packages will be
    available soon.
  • OpenOffice_org The OpenOffice_org package includes a vulnerable
    version of the neon library (CAN-2004-0179, CAN-2004-0398). Update
    packages will be available soon.
  • tripwire A format string bug in tripwire can be exploited
    locally to gain root permissions. Update packages will be available
    soon.
  • postgresql A buffer overflow in psqlODBC could be exploited to
    crash the application using it. E.g. a PHP script that uses ODBC to
    access a PostgreSQL database can be utilized to crash the
    surrounding Apache webserver. Other parts of PostgreSQL are not
    affected. Update packages will be available soon.
  • lha Minor security fix for a buffer overflow while handling
    command line options. This buffer overflow could be exploited in
    conjunction with other mechanisms to gain higher privileges or
    access the system remotely.
  • apache/mod_ssl A buffer overflow in a uuencode function of
    mod_ssl has been fixed as well as various minor bugs
    (CAN-2003-0987, CAN-2003-0020, CAN-2004-0174 and CAN-2003-0993).
    New packages are available on our ftp servers.

Advertisement

3) standard appendix: authenticity verification, additional
information

  • Package authenticity verification:

    SUSE update packages are available on many mirror ftp servers
    all over the world. While this service is being considered valuable
    and important to the free and open source software community, many
    users wish to be sure about the origin of the package and its
    content before installing the package. There are two verification
    methods that can be used independently from each other to prove the
    authenticity of a downloaded file or rpm package:

    1. md5sums as provided in the (cryptographically signed)
      announcement.
    2. using the internal gpg signatures of the rpm package.
    3. execute the command md5sum <name-of-the-file.rpm> after
      you downloaded the file from a SUSE ftp server or its mirrors.
      Then, compare the resulting md5sum with the one that is listed in
      the announcement. Since the announcement containing the checksums
      is cryptographically signed (usually using the key security@suse.de), the checksums show
      proof of the authenticity of the package. We disrecommend to
      subscribe to security lists which cause the email message
      containing the announcement to be modified so that the signature
      does not match after transport through the mailing list software.
      Downsides: You must be able to verify the authenticity of the
      announcement in the first place. If RPM packages are being rebuilt
      and a new version of a package is published on the ftp server, all
      md5 sums for the files are useless.
    4. rpm package signatures provide an easy way to verify the
      authenticity of an rpm package. Use the command rpm -v –checksig
      <file.rpm> to verify the signature of the package, where
      <file.rpm> is the filename of the rpm package that you have
      downloaded. Of course, package authenticity verification can only
      target an un-installed rpm package file. Prerequisites:
      1. gpg is installed
      2. The package is signed using a certain key. The public part of
        this key must be installed by the gpg program in the directory
        ~/.gnupg/ under the user’s home directory who performs the
        signature verification (usually root). You can import the key that
        is used by SUSE in rpm packages for SUSE Linux by saving this
        announcement to a file (“announcement.txt”) and running the command
        (do “su -” to be root): gpg –batch; gpg < announcement.txt |
        gpg –import SUSE Linux distributions version 7.1 and thereafter
        install the key “build@suse.de”
        upon installation or upgrade, provided that the package gpg is
        installed. The file containing the public key is placed at the
        top-level directory of the first CD (pubring.gpg) and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de
        .
  • SUSE runs two security mailing lists to which any interested
    party may subscribe:

    suse-security@suse.com

  • general/linux/SUSE security discussion. All SUSE security
    announcements are sent to this list. To subscribe, send an email to

    <suse-security-subscribe@suse.com>.

    suse-security-announce@suse.com

  • SUSE’s announce-only mailing list. Only SUSE’s security
    announcements are sent to this list. To subscribe, send an email to

    <suse-security-announce-subscribe@suse.com>.

For general information or the frequently asked questions (faq)
send mail to:

<suse-security-info@suse.com>
or <suse-security-faq@suse.com>
respectively.


SUSE’s security contact is <security@suse.com> or
<security@suse.de>. The
<security@suse.de>
public key is listed below.



The information in this advisory may be distributed or
reproduced, provided that the advisory is not modified in any way.
In particular, it is desired that the clear-text signature shows
proof of the authenticity of the text.
SUSE Linux AG makes no warranties of any kind whatsoever with
respect to the information contained in this security advisory.

Type Bits/KeyID Date User ID
pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>

Web Webster

Web Webster

Web Webster has more than 20 years of writing and editorial experience in the tech sector. He’s written and edited news, demand generation, user-focused, and thought leadership content for business software solutions, consumer tech, and Linux Today, he edits and writes for a portfolio of tech industry news and analysis websites including webopedia.com, and DatabaseJournal.com.

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