CVE-2019-11708Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability

Description

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://www.mozilla.org/security/advisories/mfsa2019-19/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-20/ Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1559858 Issue TrackingVendor Advisory
• GLSA-201908-12 vendor-advisoryThird Party Advisory
• http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html Third Party AdvisoryVDB Entry
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11708 US Government Resource