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Last updated: 8/27/2014 11:20:26 PM

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Vulnerability Summary for CVE-2010-2806

Original release date: 08/19/2010
Last revised: 01/12/2011
Source: US-CERT/NIST

Overview

Array index error in the t42_parse_sfnts function in type42/t42parse.c in FreeType before 2.4.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via negative size values for certain strings in FontType42 font files, leading to a heap-based buffer overflow.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
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

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External Source: REDHAT
Name: RHSA-2010:0737
External Source: UBUNTU
Name: USN-972-1
External Source: SECUNIA
Name: 40816
Type: Advisory
External Source: MLIST
Name: [oss-security] 20100806 Re: CVE Request -- FreeType -- Memory corruption flaw by processing certain LWFN fonts + three more
External Source: VUPEN
Name: ADV-2010-3045
External Source: BID
Name: 42285
External Source: APPLE
Name: APPLE-SA-2010-11-22-1
External Source: CONFIRM
Name: http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=c06da1ad34663da7b6fc39b030dc3ae185b96557
External Source: REDHAT
Name: RHSA-2010:0736
External Source: SECUNIA
Name: 42317
External Source: CONFIRM
Name: http://sourceforge.net/projects/freetype/files/freetype2/2.4.2/NEWS/view
Type: Patch Information
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4457
External Source: VUPEN
Name: ADV-2010-3046
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4435
External Source: APPLE
Name: APPLE-SA-2010-11-10-1
External Source: VUPEN
Name: ADV-2010-2106
Type: Advisory
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=621980
External Source: REDHAT
Name: RHSA-2010:0864
External Source: CONFIRM
Name: https://savannah.nongnu.org/bugs/?30656
External Source: VUPEN
Name: ADV-2010-2018
Type: Advisory
External Source: CONFIRM
Name: http://freetype.sourceforge.net/index2.html#release-freetype-2.4.2
External Source: SECUNIA
Name: 40982
Type: Advisory
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4456
External Source: CONFIRM
Name: https://bugs.launchpad.net/ubuntu/maverick/+source/freetype/+bug/617019
External Source: SECUNIA
Name: 42314

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)