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[ GLSA 201312-01 ] GNU C Library: Multiple vulnerabilities
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PostPosted: Tue Dec 03, 2013 4:26 am    Post subject: [ GLSA 201312-01 ] GNU C Library: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: GNU C Library: Multiple vulnerabilities (GLSA 201312-01)
Severity: high
Exploitable: local, remote
Date: December 03, 2013
Bug(s): #350744, #356567, #386323, #386327, #386329, #386333, #386343, #386349, #393477, #404993
ID: 201312-01

Synopsis

Multiple vulnerabilities have been found in GNU C Library, the
worst of which allowing arbitrary code execution and privilege escalation.


Background

The GNU C library is the standard C library used by Gentoo Linux
systems.


Affected Packages

Package: sys-libs/glibc
Vulnerable: < 2.15-r3
Unaffected: >= 2.15-r3
Architectures: All supported architectures


Description

Multiple vulnerabilities have been discovered in GNU C Library. Please
review the CVE identifiers referenced below for details.


Impact

A local attacker could trigger vulnerabilities in dynamic library
loader, making it possible to load attacker-controlled shared objects
during execution of setuid/setgid programs to escalate privileges.
A context-dependent attacker could trigger various vulnerabilities in
GNU C Library, including a buffer overflow, leading to execution of
arbitrary code or a Denial of Service.


Workaround

There is no known workaround at this time.

Resolution

All GNU C Library users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.15-r3"
   


References

CVE-2009-5029
CVE-2010-3847
CVE-2011-0536
CVE-2011-1071
CVE-2011-1089
CVE-2011-1095
CVE-2011-1658
CVE-2011-1659
CVE-2012-0864
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