Ghostscript 8.64 executes random code at startup

2010.07.22

Credit: ne01026

Risk: High

Local: Yes

Remote: No

CVE: CVE-2010-2055

CWE: CWE-DesignError

CVSS Base Score: 7.2/10

Impact Subscore: 10/10

Exploitability Subscore: 3.9/10

Exploit range: Local

Attack complexity: Low

Authentication: No required

Confidentiality impact: Complete

Integrity impact: Complete

Availability impact: Complete

Ghostscript_8.64 on openSuSE_11.2 executes all files matching ./Encoding/* on startup.  This search is relative to the current directory so it is easy to poison Ghostscript and cause it to execute arbitrary PostScript code without user action or knowledge.

Details: <URL:https://bugzilla.novell.com/show_bug.cgi?id=608071>

References:

https://bugzilla.redhat.com/show_bug.cgi?id=599564

https://bugzilla.novell.com/show_bug.cgi?id=608071

http://www.vupen.com/english/advisories/2010/1757

http://www.securityfocus.com/archive/1/511476

http://www.securityfocus.com/archive/1/511474

http://www.securityfocus.com/archive/1/511472

http://www.securityfocus.com/archive/1/511433

http://www.osvdb.org/66247

http://secunia.com/advisories/40532

http://secunia.com/advisories/40475

http://secunia.com/advisories/40452

http://savannah.gnu.org/forum/forum.php?forum_id=6368

http://lists.fedoraproject.org/pipermail/package-announce/2010-July/043948.html

http://lists.fedoraproject.org/pipermail/package-announce/2010-July/043913.html

http://bugs.ghostscript.com/show_bug.cgi?id=691350

http://bugs.ghostscript.com/show_bug.cgi?id=691339

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=583316

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=583183

See this note in RAW Version

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Ghostscript 8.64 executes random code at startup

References:

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