by Kastro
Paper/Archive/CVE-2019-11708

CVE-2019-11708

Mozilla Firefox ESR — Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability

KEV · due 13 JunEPSS 56%public exploitSSVC actCVSS 10.0
critical.is priorityof 100
100
CVSS 10.0 (ADP)10.0 / 10 × 3030.0In CISA KEV+3030.0EPSS percentile 99.0.990 × 2019.8Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Firefox ESRunspecified – < 60.7.260.7.2CNA
Firefoxunspecified – < 67.0.467.0.4CNA
Thunderbirdunspecified – < 60.7.260.7.2CNA

Scores by source

CISA ADP10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: no · Technical impact: total

References

refmozilla.org/security/advisories/mfsa2019-19refmozilla.org/security/advisories/mfsa2019-20refbugzilla.mozilla.org/show_bug.cgi?id=1559858advisorysecurity.gentoo.org/glsa/201908-12refpacketstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.htmlrefcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11708kevcisa.gov/known-exploited-vulnerabilities-catalog