Linux Security
Linux Security
Linux Security

Debian: DSA-3167-1: sudo security update

Date 22 Feb 2015
199
Posted By LinuxSecurity Advisories
Jakub Wilk reported that sudo, a program designed to provide limited super user privileges to specific users, preserves the TZ variable from a user's environment without any sanitization. A user with sudo access may take advantage of this to exploit bugs in the C library functions

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Debian Security Advisory DSA-3167-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                      Salvatore Bonaccorso
February 22, 2015                      https://www.debian.org/security/faq
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Package        : sudo
CVE ID         : CVE-2014-9680
Debian Bug     : 772707

Jakub Wilk reported that sudo, a program designed to provide limited
super user privileges to specific users, preserves the TZ variable from
a user's environment without any sanitization. A user with sudo access
may take advantage of this to exploit bugs in the C library functions
which parse the TZ environment variable or to open files that the user
would not otherwise be able to open. The later could potentially cause
changes in system behavior when reading certain device special files or
cause the program run via sudo to block.

For the stable distribution (wheezy), this problem has been fixed in
version 1.8.5p2-1+nmu2.

We recommend that you upgrade your sudo packages.

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

Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.

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