[gentoo-announce] [ GLSA 201311-21 ] cpio: Arbitrary code execution

[news 28]

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Gentoo Linux Security Advisory GLSA 201311-21

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http://security.gentoo.org/

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Severity: Normal

Title: cpio: Arbitrary code execution

Date: November 28, 2013

Bugs: #314663

ID: 201311-21

 

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Synopsis

========

 

A heap-based buffer overflow in cpio might allow a remote rmt server to

execute arbitrary code or cause a Denial of Service condition.

 

Background

==========

 

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

 

Affected packages

=================

 

-------------------------------------------------------------------

Package / Vulnerable / Unaffected

-------------------------------------------------------------------

1 app-arch/cpio < 2.11 >= 2.11

 

Description

===========

 

Cpio contains a heap-based buffer overflow in the rmt_read__ function

in lib/rtapelib.c.

 

Impact

======

 

A remote server could sending more data than was requested, related to

archive filenames that contain a : (colon) character, possibly

resulting in execution of arbitrary code or a Denial of Service

condition.

 

Workaround

==========

 

There is no known workaround at this time.

 

Resolution

==========

 

All cpio users should upgrade to the latest version:

 

# emerge --sync

# emerge --ask --oneshot --verbose ">=app-arch/cpio-2.11"

 

References

==========

 

[ 1 ] CVE-2010-0624

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-0624

 

Availability

============

 

This GLSA and any updates to it are available for viewing at

the Gentoo Security Website:

 

http://security.gentoo.org/glsa/glsa-201311-21.xml

 

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 ( -at -) gentoo.org or alternatively, you may file a bug at

https://bugs.gentoo.org.

 

License

=======

 

Copyright 2013 Gentoo Foundation, Inc; referenced text

belongs to its owner(s).

 

The contents of this document are licensed under the

Creative Commons - Attribution / Share Alike license.

 

http://creativecommons.org/licenses/by-sa/2.5