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Gentoo: GLSA-201702-11 Normal: GNU C Library Code Execution Risk

gentoo
Calendar Grey February 19, 2017
Dist Gentoo Esm H88
Numerous security flaws in the GNU C Library within Gentoo may permit unauthorized code execution or the exposure of confidential information.
Multiple vulnerabilities have been found in the GNU C Library, the worst of which allows context-dependent attackers to execute arbitrary code

Summary

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

Topics%20covered

Topics Covered

security advisory security issue gentoo code execution glibc multiple vulnerabilities normal severity

Resolution

All GNU C Library users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.23-r3"

References

[ 1 ] CVE-2014-9761 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9761 [ 2 ] CVE-2015-5277 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5277 [ 3 ] CVE-2015-8776 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8776 [ 4 ] CVE-2015-8777 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8777 [ 5 ] CVE-2015-8778 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8778 [ 6 ] CVE-2015-8779 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8779 [ 7 ] CVE-2016-1234 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1234 [ 8 ] CVE-2016-3075 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3075

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201702-11
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: GNU C Library: Multiple vulnerabilities
Date: February 19, 2017
Bugs: #560420, #560526, #572416, #576726, #578602
ID: 201702-11

Topics%20covered

Topics Covered

security advisory security issue gentoo code execution glibc multiple vulnerabilities normal severity

Synopsis

Multiple vulnerabilities have been found in the GNU C Library, the worst of which allows context-dependent attackers to execute arbitrary code.

Background

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

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-libs/glibc < 2.23-r3 >= 2.23-r3

Impact

===== A context-dependent attacker could possibly execute arbitrary code with the privileges of the process, disclose sensitive information, or cause a Denial of Service condition via multiple vectors.

Workaround

There is no known workaround at this time.

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