GLSA 200805-17: Perl: Execution of arbitrary code

http://security.gentoo.org/

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

CVE-2008-1927

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.