HTTP: Mozilla Firefox and Thunderbird Prompt Open IPC Security Bypass
This signature detects attempts to exploit a known vulnerability against Mozilla Firefox and Thunderbird. A successful attack can lead to security bypass.
Extended 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.
Affected Products
Mozilla firefox
References
BugTraq: 108835
CVE: CVE-2019-11708
URL: https://www.mozilla.org/security/advisories/mfsa2019-19/
Short Name
HTTP:STC:MOZILLA:OPEN-IPC-SB
Severity
Critical
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
Bypass CVE-2019-11708 Firefox IPC Mozilla Open Prompt Security Thunderbird and bid:108835
Release Date
12/17/2019
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3590
False Positive
Unknown
Vendors
Mozilla
CVSS Score
10.0