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Gentoo Linux Security Advisory GLSA 200805-17 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: Perl: Execution of arbitrary code |
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Date: May 20, 2008 |
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Bugs: #219203 |
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ID: 200805-17 |
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Synopsis |
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======== |
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|
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A double free vulnerability was discovered in Perl, possibly resulting |
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in the execution of arbitrary code and a Denial of Service. |
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Background |
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========== |
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Perl is a stable, cross platform programming language. |
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 dev-lang/perl < 5.8.8-r5 >= 5.8.8-r5 |
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2 sys-devel/libperl < 5.8.8-r2 >= 5.8.8-r2 |
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------------------------------------------------------------------- |
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2 affected packages on all of their supported architectures. |
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------------------------------------------------------------------- |
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Description |
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=========== |
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|
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Tavis Ormandy and Will Drewry of the Google Security Team have reported |
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a double free vulnerability when processing a crafted regular |
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expression containing UTF-8 characters. |
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Impact |
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====== |
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A remote attacker could possibly exploit this vulnerability to execute |
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arbitrary code or cause a Denial of Service. |
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All Perl users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=dev-lang/perl-5.8.8-r5" |
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All libperl users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=sys-devel/libperl-5.8.8-r2" |
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|
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References |
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========== |
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[ 1 ] CVE-2008-1927 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1927 |
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Availability |
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============ |
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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http://security.gentoo.org/glsa/glsa-200805-17.xml |
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Concerns? |
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========= |
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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License |
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======= |
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Copyright 2008 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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http://creativecommons.org/licenses/by-sa/2.5 |
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