GLSA 200805-17: Perl: Execution of arbitrary code

Severity:normal
Title:Perl: Execution of arbitrary code
Date:05/20/2008
Bugs: #219203
ID:200805-17

Synopsis

A double free vulnerability was discovered in Perl, possibly resulting in the execution of arbitrary code and a Denial of Service.

Background

Perl is a stable, cross platform programming language.

Affected packages

Package Vulnerable Unaffected Architecture(s)
dev-lang/perl < 5.8.8-r5 >= 5.8.8-r5 All supported architectures
sys-devel/libperl < 5.8.8-r2 >= 5.8.8-r2 All supported architectures

Description

Tavis Ormandy and Will Drewry of the Google Security Team have reported a double free vulnerability when processing a crafted regular expression containing UTF-8 characters.

Impact

A remote attacker could possibly exploit this vulnerability to execute arbitrary code or cause a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All Perl users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-lang/perl-5.8.8-r5"

All libperl users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=sys-devel/libperl-5.8.8-r2"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200805-17.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@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 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.

Thank you!