Vulnerability CVE-2010-1797
Published: 2010-08-16   Modified: 2012-02-13

Description:
Multiple stack-based buffer overflows in the cff_decoder_parse_charstrings function in the CFF Type2 CharStrings interpreter in cff/cffgload.c in FreeType before 2.4.2, as used in Apple iOS before 4.0.2 on the iPhone and iPod touch and before 3.2.2 on the iPad, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted CFF opcodes in embedded fonts in a PDF document, as demonstrated by JailbreakMe. NOTE: some of these details are obtained from third party information.

See advisories in our WLB2 database:
Topic
Author
Date
High
Foxit Reader <= 4.0 pdf Jailbreak
Jose Miguel Espa...
26.08.2010

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Apple -> Iphone os 

 References:
http://freetype.sourceforge.net/index2.html#release-freetype-2.4.2
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=018f5c27813dd7eef4648fe254632ecea0c85a50
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=11d65e8a1f1f14e56148fd991965424d9bd1cdbc
http://lists.apple.com/archives/security-announce/2010//Aug/msg00000.html
http://lists.apple.com/archives/security-announce/2010//Aug/msg00001.html
http://sourceforge.net/projects/freetype/files/freetype2/2.4.2/NEWS/view
http://support.apple.com/kb/HT4291
http://support.apple.com/kb/HT4292
http://www.exploit-db.com/exploits/14538
http://www.f-secure.com/weblog/archives/00002002.html
http://www.securityfocus.com/bid/42151
http://www.ubuntu.com/usn/USN-972-1
http://www.vupen.com/english/advisories/2010/2018
http://www.vupen.com/english/advisories/2010/2106
https://bugs.launchpad.net/ubuntu/maverick/+source/freetype/+bug/617019
https://bugzilla.redhat.com/show_bug.cgi?id=621144
https://exchange.xforce.ibmcloud.com/vulnerabilities/60856
Copyright 2024, cxsecurity.com

 

Back to Top