Gentoo: 201111-11 Normal: GNU Tar Arbitrary Code Execution
gentoo
November 20, 2011
A buffer overflow flaw in GNU Tar could result in execution of arbitrary code or a Denial of Service.
Summary
GNU Tar is vulnerable to a boundary error in the rmt_read__ function in lib/rtapelib.c, which could cause a heap-based buffer overflow.
Topics Covered
Resolution
All GNU Tar users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/tar-1.23"
NOTE: This is a legacy GLSA. Updates for all affected architectures are available since July 18, 2010. It is likely that your system is already no longer affected by this issue.
NOTE: This is a legacy GLSA. Updates for all affected architectures are available since July 18, 2010. It is likely that your system is already no longer affected by this issue.
References
[ 1 ] CVE-2010-0624 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0624
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201111-11
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: GNU Tar: User-assisted execution of arbitrary code
Date: November 20, 2011
Bugs: #313333
ID: 201111-11
Topics Covered
Background
GNU Tar is a utility to create archives as well as add and extract
files from archives.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-arch/tar < 1.23 >= 1.23
Impact
=====
A remote attacker could entice the user to load a specially crafted
archive, possibly resulting in the execution of arbitrary code or a
Denial of Service.
Workaround
There is no known workaround at this time.
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