Critical severity · published Jul 23, 2019
CVE-2019-11708
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
In wildKEV
10.0
CVSS
55.9%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)55.9% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed May 23, 2022
Federal remediation dueJun 13, 2022
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 67.0.4 · source: vendor, NVD
FE
Firefox ESR · Mozilla
before 60.7.2 · source: vendor
TH
Thunderbird · Mozilla
before 60.7.2 · source: vendor, NVD
FA
Firefox and Thunderbird · Mozilla
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11708
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11708
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2019-19/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2019-20/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1559858
vendor-advisory
https://security.gentoo.org/glsa/201908-12
x_refsource_MISC
http://packetstormsecurity.com/files/155592/Mozilla-Firefox-Windows-64-Bit-Chain-Exploit.html
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