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Gentoo: GLSA-201701-40 Normal: Xdelta Arbitrary Code Execution Risk

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Calendar Grey January 17, 2017
Scroller Gentoo
The Gentoo Linux Security Advisory GLSA 202301-15 warns of a critical vulnerability in the libjpeg library, recommending immediate updates to protect systems.
A buffer overflow in xdelta might allow remote attackers to execute arbitrary code.

Summary

A buffer overflow can be triggered within xdelta when ran against a malicious input file.

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow remote execution xdelta normal severity user-assisted execution

Resolution

All xdelta users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-util/xdelta-3.0.10"

References

[ 1 ] CVE-2014-9765 https://www.cve.org/CVERecord?id=CVE-2014-9765

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-40
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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: xdelta: User-assisted execution of arbitrary code
Date: January 17, 2017
Bugs: #574408
ID: 201701-40

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow remote execution xdelta normal severity user-assisted execution

Synopsis

A buffer overflow in xdelta might allow remote attackers to execute arbitrary code.

Background

Xdelta is a C library and command-line tool for delta compression using VCDIFF/RFC 3284 streams.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-util/xdelta < 3.0.10 >= 3.0.10

Impact

===== A remote attacker could coerce the victim to run xdelta against a malicious input file. This may be leveraged by an attacker to crash xdelta and gain control of program execution.

Workaround

There is no known workaround at this time.