CVE-2019-11708

Summary

Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing arbitrary code on the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.

Affected Software

Weaknesses

• sandbox escape using Prompt:Open

ADP Enrichment

CVE Program Container

Additional References

• https://www.mozilla.org/security/advisories/mfsa2019-19/
• https://www.mozilla.org/security/advisories/mfsa2019-20/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1559858
• https://security.gentoo.org/glsa/201908-12
• http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: no
  • Technical Impact: total

Additional References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11708

References

• https://www.mozilla.org/security/advisories/mfsa2019-19/
• https://www.mozilla.org/security/advisories/mfsa2019-20/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1559858
• https://security.gentoo.org/glsa/201908-12
• http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html

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