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Gentoo: GLSA-201502-12 Normal: GNU Tar Vulnerabilities Detected

gentoo
Calendar Grey February 15, 2015
Dist Gentoo Esm H88
Several security flaws have been detected in the GNU cpio utility, posing risks of remote code execution and potential Denial of Service attacks on systems running Gentoo.
Two vulnerabilities have been found in GNU cpio, the worst of which could result in execution of arbitrary code.

Summary

Two vulnerabilities have been discovered in GNU cpio: * The list_file function in GNU cpio contains a heap-based buffer overflow vulnerability (CVE-2014-9112) * A directory traversal vulnerability has been found in GNU cpio (CVE-2015-1197)

Topics%20covered

Topics Covered

security advisory denial of service Gentoo code execution normal GNU Cpio

Resolution

All GNU cpio users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/cpio-2.11-r3"

References

[ 1 ] CVE-2014-9112 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9112 [ 2 ] CVE-2015-1197 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1197

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201502-11
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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 cpio: Multiple vulnerabilities
Date: February 15, 2015
Bugs: #530512, #536010
ID: 201502-11

Topics%20covered

Topics Covered

security advisory denial of service Gentoo code execution normal GNU Cpio

Synopsis

Two vulnerabilities have been found in GNU cpio, the worst of which could result in execution of arbitrary code.

Background

GNU cpio copies files into or out of a cpio or tar archive.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/cpio < 2.11-r3 >= 2.11-r3

Impact

===== A remote attacker may be able to entice a user to open a specially crafted archive using GNU cpio, possibly resulting in execution of arbitrary code, a Denial of Service condition, or overwriting arbitrary files.

Workaround

There is no known workaround at this time.

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