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Debian Security Advisory: New version of proftpd released

Feb 12, 2001, 20:05 (0 Talkback[s])
(Other stories by Michael Stone)

Date: Sun, 11 Feb 2001 22:53:36 -0500 (EST)
From: Michael Stone mstone@osgiliath.ddts.net
To: debian-security-announce@lists.debian.org
Subject: [SECURITY] [DSA-029-1] New version of proftpd released


Debian Security Advisory DSA-029-1                                      security@debian.org
http://www.debian.org/security/                                   Michael Stone 
February 11, 2001


Package: proftpd
Vulnerability: remote DOS & potential buffer overflow
Debian-specific: no
The following problems have been reported for the version of proftpd in Debian 2.2 (potato):

1. There is a memory leak in the SIZE command which can result in a denial of service, as reported by Wojciech Purczynski. This is only a problem if proftpd cannot write to its scoreboard file; the default configuration of proftpd in Debian is not vulnerable.

2. A similar memory leak affects the USER command, also as reported by Wojciech Purczynski. The proftpd in Debian 2.2 is susceptible to this vulnerability; an attacker can cause the proftpd daemon to crash by exhausting its available memory.

3. There were some format string vulnerabilities reported by Przemyslaw Frasunek. These are not known to have exploits, but have been corrected as a precaution.

All three of the above vulnerabilities have been corrected in proftpd-1.2.0pre10-2potato1. We recommend you upgrade your proftpd package immediately.

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.
You may use an automated update by adding the resources from the footer to the proper configuration.

Debian GNU/Linux 2.2 alias potato


Potato was released for the alpha, arm, i386, m68k, powerpc and sparc architectures.

Source archives:
http://security.debian.org/debian-security/dists/stable/updates/main/source/proftpd_1.2.0pre10-2potato1.diff.gz
MD5 checksum: ac1f26e4effe5c6d46b9254b5edea94c


http://security.debian.org/debian-security/dists/stable/updates/main/source/proftpd_1.2.0pre10-2potato1.dsc
MD5 checksum: 305a6c3ba88afd493d94a3ecd8f92db1


http://security.debian.org/debian-security/dists/stable/updates/main/source/proftpd_1.2.0pre10.orig.tar.gz
MD5 checksum: a1c25e59bb4281e2f83000796dc52388

Alpha architecture:
http://security.debian.org/debian-security/dists/stable/updates/main/binary-alpha/proftpd_1.2.0pre10-2potato1_alpha.deb
MD5 checksum: 9f1deb1050544c51de8a5be6e1134d05

ARM architecture:
http://security.debian.org/debian-security/dists/stable/updates/main/binary-arm/proftpd_1.2.0pre10-2potato1_arm.deb
MD5 checksum: 7226be3c206b287959357e3186593a71

Intel ia32 architecture:
http://security.debian.org/debian-security/dists/stable/updates/main/binary-i386/proftpd_1.2.0pre10-2potato1_i386.deb
MD5 checksum: 13f9f7bfb44c09dc1a69fb678aad5f2c

Motorola 680x0 architecture:
Not yet available.

PowerPC architecture:
http://security.debian.org/debian-security/dists/stable/updates/main/binary-powerpc/proftpd_1.2.0pre10-2potato1_powerpc.deb
MD5 checksum: 9c03031c8de3da26686605fe7875b8b3

Sun Sparc architecture:
http://security.debian.org/debian-security/dists/stable/updates/main/binary-sparc/proftpd_1.2.0pre10-2potato1_sparc.deb
MD5 checksum: 1a17e4a65319645513ce86c174342d0e

For not yet released architectures please refer to the appropriate directory ftp://ftp.debian.org/debian/dists/sid/binary-$arch/ .


For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>