Mozilla Firefox XML denial of service

firefox-xml-dos (49521) The risk level is classified as MediumMedium Risk

Description:

Mozilla Firefox is vulnerable to a denial of service, caused by the improper parsing of XML documents. By persuading a victim to open a specially-crafted XML document containing an overly large number of nested elements, a remote attacker could exploit this vulnerability to cause the browser to crash.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.7
  Exploitability: Proof-of-Concept
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Denial of Service

Remedy:

No remedy available as of May 1, 2013.

References:

  • Bugzilla@Mozilla ¿ Bug 485941: Possible XML XUL parser memory corruption (DoS).
  • Mozilla Web site: Mozilla Firefox.
  • BID-34522: Mozilla Firefox XUL Parser Start Tags Denial of Service Vulnerability
  • CVE-2009-1232: Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.
  • OSVDB ID: 53230: Mozilla Firefox XUL Parser XML Document Handling Memory Corruption DoS

Platforms Affected:

  • Mozilla Firefox 3.0
  • Mozilla Firefox 3.0.1
  • Mozilla Firefox 3.0.2
  • Mozilla Firefox 3.0.3
  • Mozilla Firefox 3.0.4
  • Mozilla Firefox 3.0.5
  • Mozilla Firefox 3.0.6
  • Mozilla Firefox 3.0.7

Reported:

Mar 30, 2009

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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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