Evince token code execution

evince-token-code-exec (80271) The risk level is classified as HighHigh Risk

Description:

Evince, t1lib and teTeX could allow a remote attacker to execute arbitrary code on the system, caused by multiple off-by-one errors in the token and linetoken functions. By persuading a victim to open a specially-crafted DVI file containing a crafted Adobe Font Metrics (AFM) file, a remote attacker could execute arbitrary code on the system or cause the application to crash.

*CVSS:

Base Score: 6.8
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.5
  Exploitability: Unproven
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of October 1, 2014.

References:

  • Evince Web site: Evince Simply a document viewer.
  • oss-sec mailing list, Fri, 4 Mar 2011 17:13:47 +0100: Re: Re: CVE request: More Evince overflows.
  • CVE-2011-5244: Multiple off-by-one errors in the (1) token and (2) linetoken functions in backend/dvi/mdvi-lib/afmparse.c in t1lib, as used in teTeX 3.0.x, GNOME evince, and possibly other products, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a DVI file containing a crafted Adobe Font Metrics (AFM) file, different vulnerabilities than CVE-2010-2642 and CVE-2011-0433.

Platforms Affected:

  • Gnome Evince
  • T1lib T1lib
  • Tetex Tetex 3.0

Reported:

Nov 23, 2012

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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