Confirmed as exploited
CVE-2019-11708
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.
01 / ACTION
Required action
Apply updates per vendor instructions.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Mozilla Firefox and Thunderbird contain a sandbox escape vulnerability that could result in remote code execution.
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.
05 / REFERENCES
Further evidence
- http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1559858
- https://security.gentoo.org/glsa/201908-12
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11708
- https://www.mozilla.org/security/advisories/mfsa2019-19/
- https://www.mozilla.org/security/advisories/mfsa2019-20/