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[ GLSA 200812-02 ] enscript: User-assisted execution of arbitrary code
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PostPosted: Tue Dec 02, 2008 7:26 pm    Post subject: [ GLSA 200812-02 ] enscript: User-assisted execution of arbi Reply with quote

Gentoo Linux Security Advisory

Title: enscript: User-assisted execution of arbitrary code (GLSA 200812-02)
Severity: normal
Exploitable: remote
Date: December 02, 2008
Bug(s): #243228
ID: 200812-02

Synopsis

Two buffer overflows in enscript might lead to the execution of arbitrary code.

Background

enscript is a powerful ASCII to PostScript file converter.

Affected Packages

Package: app-text/enscript
Vulnerable: < 1.6.4-r4
Unaffected: >= 1.6.4-r4
Architectures: All supported architectures


Description

Two stack-based buffer overflows in the read_special_escape() function in src/psgen.c have been reported. Ulf Harnhammar of Secunia Research discovered a vulnerability related to the "setfilename" command (CVE-2008-3863), and Kees Cook of Ubuntu discovered a vulnerability related to the "font" escape sequence (CVE-2008-4306).

Impact

An attacker could entice a user or automated system to process specially crafted input with the special escapes processing enabled using the "-e" option, possibly resulting in the execution of arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

All enscript users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/enscript-1.6.4-r4"


References

CVE-2008-3863
CVE-2008-4306
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