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You are here: Security Center > Mozilla Foundation Security Advisories > MFSA 2012-70

Mozilla Foundation Security Advisory 2012-70

Title: Location object security checks bypassed by chrome code
Impact: High
Announced: August 28, 2012
Reporter: moz_bug_r_a4
Products: Firefox, Thunderbird, SeaMonkey

Fixed in: Firefox 15
  Firefox ESR 10.0.7
  Thunderbird 15
  Thunderbird ESR 10.0.7
  SeaMonkey 2.12

Description

Mozilla security researcher moz_bug_r_a4 reported that certain security checks in the location object can be bypassed if chrome code is called content in a specific manner. This allowed for the loading of restricted content. This can be combined with other issues to become potentially exploitable.

References

• Bypassing security checks for nsLocation::CheckURL
• CVE-2012-3978