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[ GLSA 200907-01 ] libwmf: User-assisted execution of arbitrary code
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GLSA
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PostPosted: Thu Jul 02, 2009 8:26 pm    Post subject: [ GLSA 200907-01 ] libwmf: User-assisted execution of arbitr Reply with quote

Gentoo Linux Security Advisory

Title: libwmf: User-assisted execution of arbitrary code (GLSA 200907-01)
Severity: normal
Exploitable: remote
Date: July 02, 2009
Bug(s): #268161
ID: 200907-01

Synopsis

libwmf bundles an old GD version which contains a "use-after-free" vulnerability.

Background

libwmf is a library for converting WMF files.

Affected Packages

Package: media-libs/libwmf
Vulnerable: < 0.2.8.4-r3
Unaffected: >= 0.2.8.4-r3
Architectures: All supported architectures


Description

The embedded fork of the GD library introduced a "use-after-free" vulnerability in a modification which is specific to libwmf.

Impact

A remote attacker could entice a user to open a specially crafted WMF file, possibly resulting in the execution of arbitrary code with the privileges of the user running the application, or a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All libwmf users should upgrade to the latest version which no longer builds the GD library:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libwmf-0.2.8.4-r3"


References

CVE-2009-1364
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