It has been discovered that in ProFTPd, an FTP server, an attacker on the same physical host as the server may be able to perform a symlink attack allowing to elevate privileges in some configurations.

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Debian Security Advisory DSA-2606-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
http://www.debian.org/security/                           Thijs Kinkhorst
January 13, 2013                       http://www.debian.org/security/faq
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Package        : proftpd-dfsg
Vulnerability  : symlink race
Problem type   : local
Debian-specific: no
CVE ID         : CVE-2012-6095
Debian Bug     : 697524

It has been discovered that in ProFTPd, an FTP server, an attacker on
the same physical host as the server may be able to perform a symlink
attack allowing to elevate privileges in some configurations.

For the stable distribution (squeeze), this problem has been fixed in
version 1.3.3a-6squeeze5.

For the testing distribution (wheezy), this problem will be fixed soon.

For the unstable distribution (sid), this problem has been fixed in
version 1.3.4a-3.

We recommend that you upgrade your proftpd-dfsg packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

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