Mozilla Firefox function allocation code execution

firefox-function-allocation-code-execution (42654) The risk level is classified as HighHigh Risk

Description:

Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by an error in the function allocation code. By persuading a victim to visit a malicious Web site which allows the function allocation code (js_NewFunction) to attempt to re-use a recently freed object using user-defined methods, a remote attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the victim or cause the application to crash.

Platforms Affected:

  • Mozilla, Firefox 1.5

Remedy:

Refer to MFSA 2006-01 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Apply the appropriate update for your system. See References.

Consequences:

Gain Access

References:

  • Bugzilla ¿ Bug 322045, GC hazard during function allocation. at https://bugzilla.mozilla.org/show_bug.cgi?id=322045.
  • MFSA 2006-01, JavaScript garbage-collection hazards at http://www.mozilla.org/security/announce/2006/mfsa2006-01.html.
  • BID-16476: Multiple Mozilla Products Memory Corruption/Code Injection/Access Restriction Bypass Vulnerabilities
  • CVE-2006-0293: The function allocation code (js_NewFunction in jsfun.c) in Firefox 1.5 allows attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via user-defined methods that trigger garbage collection in a way that operates on freed objects.
  • DSA-1044: mozilla-firefox -- several vulnerabilities
  • DSA-1046: mozilla -- several vulnerabilities
  • DSA-1051: mozilla-thunderbird -- several vulnerabilities
  • FrSIRT/ADV-2006-0413: Mozilla Products Multiple Memory Corruption and Security Bypass Issues
  • FrSIRT/ADV-2006-3391: Sun Security Update Fixes Mozilla Browser Remote Code Execution Vulnerabilities
  • FrSIRT/ADV-2006-3749: HP-UX Security Update Fixes Mozilla Thunderbird Code Execution Vulnerabilities
  • GLSA-200604-18: Mozilla Suite: Multiple vulnerabilities
  • SA18700: Firefox Multiple Vulnerabilities
  • SA18704: Thunderbird Multiple Vulnerabilities
  • SECTRACK ID: 1015570: Mozilla Firefox Multiple Vulnerabilities May Let Remote Users Execute Arbitrary Code

Reported:

Feb 01, 2006

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