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[ GLSA 200805-17 ] Perl: Execution of arbitrary code
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PostPosted: Tue May 20, 2008 7:26 pm    Post subject: [ GLSA 200805-17 ] Perl: Execution of arbitrary code Reply with quote

Gentoo Linux Security Advisory

Title: Perl: Execution of arbitrary code (GLSA 200805-17)
Severity: normal
Exploitable: remote
Date: May 20, 2008
Bug(s): #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: dev-lang/perl
Vulnerable: < 5.8.8-r5
Unaffected: >= 5.8.8-r5
Architectures: All supported architectures

Package: sys-devel/libperl
Vulnerable: < 5.8.8-r2
Unaffected: >= 5.8.8-r2
Architectures: 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:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/perl-5.8.8-r5"
All libperl users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-devel/libperl-5.8.8-r2"


References

CVE-2008-1927
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