Privilege escalation in Mozilla Firefox

CVE-2012-3993

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 does not properly interact with failures…

Vulnerability class: Privilege Escalation

EPSS: 0.808 (99.2th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • 50904 (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
  • 50984 (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
  • 50935 (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
  • 50856 (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
  • 50892 (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
  • oval:org.mitre.oval:def:16718 (x_refsource_OVAL, signature, Third Party Advisory, vdb-entry)
  • RHSA-2012:1351 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
  • firefox-cow-privilege-escalation(79153) (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_XF)
  • 50936 (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2012-3993?
CVE-2012-3993 is a vulnerability in Mozilla Firefox, classified under Improper Privilege Management. Published 2012-10-10.
Is CVE-2012-3993 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.