Code Injection in Ghostscript

1) Code Injection

EUVDB-ID: #VU41197

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2010-4820

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Untrusted search path vulnerability in Ghostscript 8.62 allows local users to execute arbitrary PostScript code via a Trojan horse Postscript library file in Encoding/ under the current working directory, a different vulnerability than CVE-2010-2055.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Ghostscript: 8.62

External links

http://bugs.ghostscript.com/show_bug.cgi?id=691339
http://rhn.redhat.com/errata/RHSA-2012-0095.html
http://rhn.redhat.com/errata/RHSA-2012-0096.html
http://www.openwall.com/lists/oss-security/2012/01/04/7
http://www.securityfocus.com/archive/1/511433
http://www.securityfocus.com/bid/51847
http://bugzilla.redhat.com/show_bug.cgi?id=599564
http://bugzilla.redhat.com/show_bug.cgi?id=771853

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.