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Last updated: 9/1/2014 7:37:18 AM

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Vulnerability Workload Index: 5.82
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National Cyber Awareness System

Vulnerability Summary for CVE-2010-1797

Original release date: 08/16/2010
Last revised: 12/18/2012
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://support.apple.com/kb/HT4291
Type: Advisory
External Source: BID
Name: 42151
External Source: CONFIRM
Name: http://freetype.sourceforge.net/index2.html#release-freetype-2.4.2
External Source: APPLE
Name: APPLE-SA-2010-08-11-1
External Source: APPLE
Name: APPLE-SA-2010-08-11-2
Type: Advisory
External Source: CONFIRM
Name: http://sourceforge.net/projects/freetype/files/freetype2/2.4.2/NEWS/view
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4292
Type: Advisory
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=621144
External Source: VUPEN
Name: ADV-2010-2018
Type: Advisory
External Source: CONFIRM
Name: http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=11d65e8a1f1f14e56148fd991965424d9bd1cdbc
External Source: SECUNIA
Name: 48951
External Source: VUPEN
Name: ADV-2010-2106
Type: Advisory
External Source: UBUNTU
Name: USN-972-1
External Source: CONFIRM
Name: http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=018f5c27813dd7eef4648fe254632ecea0c85a50
External Source: SECUNIA
Name: 40816
Type: Advisory
External Source: XF
Name: appleios-pdf-code-execution(60856)
External Source: EXPLOIT-DB
Name: 14538
External Source: OSVDB
Name: 66828
External Source: MISC
Name: http://www.f-secure.com/weblog/archives/00002002.html
External Source: SECUNIA
Name: 40807
Type: Advisory
External Source: SECUNIA
Name: 40982
Type: Advisory
External Source: CONFIRM
Name: https://bugs.launchpad.net/ubuntu/maverick/+source/freetype/+bug/617019

Vulnerable software and versions

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* cpe:/o:apple:iphone_os:1.0.0
* cpe:/o:apple:iphone_os:1.0.0:-:iphone
* cpe:/o:apple:iphone_os:1.0.1
* cpe:/o:apple:iphone_os:1.0.1:-:iphone
* cpe:/o:apple:iphone_os:1.0.2
* cpe:/o:apple:iphone_os:1.0.2:-:iphone
* cpe:/o:apple:iphone_os:1.1.0
* cpe:/o:apple:iphone_os:1.1.0:-:iphone
* cpe:/o:apple:iphone_os:1.1.0:-:ipodtouch
* cpe:/o:apple:iphone_os:1.1.1
* cpe:/o:apple:iphone_os:1.1.1:-:iphone
* cpe:/o:apple:iphone_os:1.1.1:-:ipodtouch
* cpe:/o:apple:iphone_os:1.1.2
* cpe:/o:apple:iphone_os:1.1.2:-:iphone
* cpe:/o:apple:iphone_os:1.1.2:-:ipodtouch
* cpe:/o:apple:iphone_os:1.1.3
* cpe:/o:apple:iphone_os:1.1.3:-:iphone
* cpe:/o:apple:iphone_os:1.1.3:-:ipodtouch
* cpe:/o:apple:iphone_os:1.1.4
* cpe:/o:apple:iphone_os:1.1.4:-:iphone
* cpe:/o:apple:iphone_os:1.1.4:-:ipodtouch
* cpe:/o:apple:iphone_os:1.1.5
* cpe:/o:apple:iphone_os:1.1.5:-:iphone
* cpe:/o:apple:iphone_os:1.1.5:-:ipodtouch
* cpe:/o:apple:iphone_os:2.0
* cpe:/o:apple:iphone_os:2.0.0
* cpe:/o:apple:iphone_os:2.0.0:-:iphone
* cpe:/o:apple:iphone_os:2.0.0:-:ipodtouch
* cpe:/o:apple:iphone_os:2.0.1
* cpe:/o:apple:iphone_os:2.0.1:-:iphone
* cpe:/o:apple:iphone_os:2.0.1:-:ipodtouch
* cpe:/o:apple:iphone_os:2.0.2
* cpe:/o:apple:iphone_os:2.0.2:-:iphone
* cpe:/o:apple:iphone_os:2.0.2:-:ipodtouch
* cpe:/o:apple:iphone_os:2.1
* cpe:/o:apple:iphone_os:2.1.1
* cpe:/o:apple:iphone_os:2.1:-:iphone
* cpe:/o:apple:iphone_os:2.1:-:ipodtouch
* cpe:/o:apple:iphone_os:2.2
* cpe:/o:apple:iphone_os:2.2.1
* cpe:/o:apple:iphone_os:2.2.1:-:iphone
* cpe:/o:apple:iphone_os:2.2.1:-:ipodtouch
* cpe:/o:apple:iphone_os:2.2:-:iphone
* cpe:/o:apple:iphone_os:3.0
* cpe:/o:apple:iphone_os:3.0.1
* cpe:/o:apple:iphone_os:3.0.1:-:ipodtouch
* cpe:/o:apple:iphone_os:3.0:-:iphone
* cpe:/o:apple:iphone_os:3.0:-:ipodtouch
* cpe:/o:apple:iphone_os:3.1
* cpe:/o:apple:iphone_os:3.1.2
* cpe:/o:apple:iphone_os:3.1.2:-:iphone
* cpe:/o:apple:iphone_os:3.1.2:-:ipodtouch
* cpe:/o:apple:iphone_os:3.1.3
* cpe:/o:apple:iphone_os:3.1.3:-:iphone
* cpe:/o:apple:iphone_os:3.1:-:iphone
* cpe:/o:apple:iphone_os:3.1:-:ipodtouch
* cpe:/o:apple:iphone_os:3.2
* cpe:/o:apple:iphone_os:3.2.1
* cpe:/o:apple:iphone_os:3.2.1:-:ipad
* cpe:/o:apple:iphone_os:3.2:-:iphone
* cpe:/o:apple:iphone_os:3.2:-:ipodtouch
* cpe:/o:apple:iphone_os:4.0
* cpe:/o:apple:iphone_os:4.0.1
* cpe:/o:apple:iphone_os:4.0.1:-:iphone
* cpe:/o:apple:iphone_os:4.0.1:-:ipodtouch
* cpe:/o:apple:iphone_os:4.0:-:iphone
* cpe:/o:apple:iphone_os:4.0:-:ipodtouch
* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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