CVE-2010-4820: Code Injection
First published: Thu Jan 05 2012(Updated: )
Ghostscript included the current working directory in its library search path by default. If a user ran Ghostscript without the "-P-" option in an attacker-controlled directory containing a specially-crafted PostScript library file, it could cause Ghostscript to execute arbitrary PostScript code. With this update, Ghostscript no longer searches the current working directory for library files by default. (<a href="https://access.redhat.com/security/cve/CVE-2010-4820">CVE-2010-4820</a>) Note: The fix for <a href="https://access.redhat.com/security/cve/CVE-2010-4820">CVE-2010-4820</a> could possibly break existing configurations. To use the previous, vulnerable behavior, run Ghostscript with the "-P" option (to always search the current working directory first).
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ghostscript Ghostscript | =8.62 |
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Reference Links
- http://bugs.ghostscript.com/show_bug.cgi?id=691339
- https://bugzilla.redhat.com/show_bug.cgi?id=771853
- https://bugzilla.redhat.com/show_bug.cgi?id=599564
- http://www.securityfocus.com/bid/51847
- http://www.openwall.com/lists/oss-security/2012/01/04/7
- http://www.securityfocus.com/archive/1/511433
- http://rhn.redhat.com/errata/RHSA-2012-0095.html
- http://rhn.redhat.com/errata/RHSA-2012-0096.html
- https://access.redhat.com/security/cve/CVE-2010-4820
- https://access.redhat.com/security/cve/CVE-2010-2055
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=599564
- http://thread.gmane.org/gmane.comp.security.oss.general/2973/focus=3354
- http://svn.ghostscript.com/viewvc?view=rev&revision=11494
- http://cwe.mitre.org/data/definitions/427.html
- https://rhn.redhat.com/errata/RHSA-2012-0096.html
- https://rhn.redhat.com/errata/RHSA-2012-0095.html
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- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2010-4820
- agent/tags
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- vendor/ghostscript
- canonical/ghostscript ghostscript
- version/ghostscript ghostscript/8.62