Mozilla Firefox, Thunderbird, and SeaMonkey evalInSandbox() security bypass

firefox-evalinsandbox-sec-bypass (80171) The risk level is classified as MediumMedium Risk

Description:

Mozilla Firefox, Thunderbird, and SeaMonkey could allow a remote attacker to bypass security restrictions, caused by an error in the evalInSandbox() function when setting location.href. An attacker could exploit this vulnerability to conduct cross-site scripting attacks or obtain sensitive information.

*CVSS:

Base Score: 6.4
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 4.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Refer to MFSA 2012-93 for patch, upgrade or suggested workaround information. See References.

References:

  • MFSA 2012-93: evalInSanbox location context incorrectly applied.
  • BID-56618: Mozilla Firefox, SeaMonkey, and Thunderbird CVE-2012-4201 Cross Site Scripting Vulnerability
  • CVE-2012-4201: The evalInSandbox implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 uses an incorrect context during the handling of JavaScript code that sets the location.href property, which allows remote attackers to conduct cross-site scripting (XSS) attacks or read arbitrary files by leveraging a sandboxed add-on.
  • DSA-2583: iceweasel -- several vulnerabilities
  • DSA-2584: iceape -- several vulnerabilities
  • DSA-2588: icedove -- several vulnerabilities
  • OSVDB ID: 87594: Mozilla Multiple Product evalInSandbox() Function location.href Property Handling Sandbox Bypass XSS Weakness
  • SA51358: Mozilla Firefox / Thunderbird Multiple Vulnerabilities
  • SA51381: Mozilla SeaMonkey Multiple Vulnerabilities
  • SA51382: Mozilla Firefox / Thunderbird Multiple Vulnerabilities

Platforms Affected:

  • Mozilla Firefox 16
  • Mozilla Firefox ESR 10.0.10
  • Mozilla Seamonkey 2.13
  • Mozilla Thunderbird 16.0
  • Mozilla Thunderbird ESR 10.0.10

Reported:

Nov 20, 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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