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


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