Debian Essential And Critical Security Patch Updates - Page 296

Find the information you need for your favorite open source distribution .

Debian Security Advisory: mtr

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The version of mtr as distributed in Debian GNU/Linux 2l1 (aka slink) did not drop root privileges correctly. While there are no known exploits it is conceivable that a weakness in gtk or ncurses could be used to exploit this.

Debian 2.1: race condition present in make

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The make package as shipped in Debian GNU/Linux 2.1 is vulnerable to arace condition that can be exploited with a symlink attack. make usedmktemp while creating temporary files in /tmp. and that is a knownpotential security hole, as documented in the man page of mktemp.

apcd: symlink attack in apcd

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The apcd package as shipped in Debian GNU/Linux 2.1 is vulnerable to a symlink attack. If the apcd process gets a SIGUSR1 signal it will dump its status to /tmp/upsstat. However this file is not opened safely, which makes it a good target for a symlink attack. This has been fixed in version 0.6a.nr-4slink1. We recommend you upgrade your apcd package immediately.

New version of samba released

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The version of samba as distributed in Debian GNU/Linux 2.1 has a couple ofsecurity problems:* a Denial-of-Service attack against nmbd was possible* it was possible to exploit smbd if you had a message command defined which used the %f or %M formatter.* smbmnt's check to see if a user is allowed to create a mount was flawed which allowed users to mount at arbitraty mountpoints in the filesystem

New version of htdig released

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The version of htdig that was shipped in Debian GNU/Linux 2.1 has a problem with calling external programs to handle non-HTML documents: it calls the external program with the document as a parameter, but does not check for shell escapes. This can be exploited by creating files with filenames that include shell escapes to run arbitraty commands on the machine that runs htdig.

New version of sendmail-wide released

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The version of sendmail-wide that was distributed with Debian GNU/Linux 2.1 has a slight problem in the code to regenerate the aliases database. Sendmail allowed any user to run sendmail with the -bi option to (re)initialize the aliases database. The user could then interrupt sendmail and leave the system with a broken aliases database.