Mandrake Linux Security Update Advisory: xinetd
Jul 06, 2001, 16:00 (0 Talkback[s])
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Mandrake Linux Security Update Advisory
Package name: xinetd
Date: July 5th, 2001
Original Advisory Date: June 11th, 2001
Advisory ID: MDKSA-2001:055-1
Affected versions: 7.2, 8.0, Single Network Firewall 7.2
A bug exists in xinetd as shipped with Mandrake Linux 8.0 dealing with
TCP connections with the WAIT state that prevents linuxconf-web from
working properly. As well, xinetd contains a security flaw in which
it defaults to a umask of 0. This means that applications using the
xinetd umask that do not set permissions themselves (like SWAT, a web
configuration tool for Samba), will create world writable files. This
update sets the default umask to 022.
This update forces the TMPDIR to /tmp instead of obtaining it from the
root user by default, which uses /root/tmp. As well, this version of
xinetd also fixed a possible buffer overflow in the logging code that
was reported by zen-parse on bugtraq, but was not mentioned in the
Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:
rpm --checksig package.rpm
You can get the GPG public key of the Mandrake Linux Security Team at
If you use MandrakeUpdate, the verification of md5 checksum and GPG
signature is performed automatically for you.
Mandrake Linux 8.0:
Single Network Firewall 7.2:
Bug IDs fixed (see https://qa.mandrakesoft.com for more information):
3610 - linuxconf denial of service
To upgrade automatically, use MandrakeUpdate.
If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm".
You can download the updates directly from one of the mirror sites
Updated packages are available in the "updates/[ver]/RPMS/" directory.
For example, if you are looking for an updated RPM package for
Mandrake Linux 8.0, look for it in "updates/8.0/RPMS/". Updated source
RPMs are available as well, but you generally do not need to download
Please be aware that sometimes it takes the mirrors a few hours to
You can view other security advisories for Mandrake Linux at:
If you want to report vulnerabilities, please contact
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