High severity · published Sep 27, 2019
CVE-2019-11751
Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks on malicious links in a chat application
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
Logging-related command line parameters are not properly sanitized when Firefox is launched by another program, such as when a user clicks on malicious links in a chat application. This can be used to write a log file to an arbitrary location such as the Windows 'Startup' folder. <br>*Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 69.0 · source: NVD
FE
Firefox Esr · Mozilla
before 68.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11751
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11751
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1572838
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-25/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-26/
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