Gentoo: GLSA-201701-40 Normal: Xdelta Arbitrary Code Execution Risk
gentoo
January 17, 2017
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.
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
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: xdelta: User-assisted execution of arbitrary code
Date: January 17, 2017
Bugs: #574408
ID: 201701-40
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
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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.
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