CVE-2019-11708

Vulnerability ID

CVE-2019-11708

Severity

CRITICAL

Severity Score

10.0

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.

References

https://www.mozilla.org/security/advisories/mfsa2019-20/

https://www.mozilla.org/security/advisories/mfsa2019-19/

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

Mitigation and Patches

-

Exploits

https://www.exploit-db.com/exploits/47752

https://github.com/0vercl0k/CVE-2019-11708

https://www.mozilla.org/en-US/security/advisories/mfsa2019-19/