CVE-2023-5174

Summary

If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-after-free and a potentially exploitable crash. This bug only affects Firefox on Windows when run in non-standard configurations (such as using runas). Other operating systems are unaffected. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

Affected Software

Weaknesses

• Double-free in process spawning on Windows

ADP Enrichment

CVE Program Container

Additional References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1848454
• https://www.mozilla.org/security/advisories/mfsa2023-41/
• https://www.mozilla.org/security/advisories/mfsa2023-42/
• https://www.mozilla.org/security/advisories/mfsa2023-43/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1848454
• https://www.mozilla.org/security/advisories/mfsa2023-41/
• https://www.mozilla.org/security/advisories/mfsa2023-42/
• https://www.mozilla.org/security/advisories/mfsa2023-43/

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