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Pardus: Perl Symlink Attack
Posted by Bill Keys
Race condition in the rmtree function in File::Path 1.08 and 2.07
(lib/File/Path.pm) in Perl 5.8.8 and 5.10.0 allows local users to create
arbitrary setuid binaries via a symlink attack.
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Pardus Linux Security Advisory 2008-89 security@pardus.org.tr
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Date: 2008-12-24
Severity: 3
Type: Remote
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Summary
=======
Race condition in the rmtree function in File::Path 1.08 and 2.07
(lib/File/Path.pm) in Perl 5.8.8 and 5.10.0 allows local users to create
arbitrary setuid binaries via a symlink attack.
Description
===========
NOTE: this is a regression error related to CVE-2005-0448. It is
different from CVE-2008-5303 due to affected versions.
Affected packages:
Pardus 2008:
perl-doc, all before 5.10.0-21-5
perl, all before 5.10.0-21-5
Pardus 2007:
perl-doc, all before 5.8.8-19-12
perl, all before 5.8.8-19-12
libperl, all before 5.8.8-19-12
Resolution
==========
There are update(s) for perl-doc, perl, libperl. You can update them via
Package Manager or with a single command from console:
Pardus 2008:
pisi up perl-doc perl
Pardus 2007:
pisi up perl-doc perl libperl
References
==========
* http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-5302
* http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-5303
* http://bugs.pardus.org.tr/show_bug.cgi?id=8773
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--
Pardus Security Team
http://security.pardus.org.tr
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