Vulnerability identifier: #VU25855
Vulnerability risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Firefox
Client/Desktop applications /
Web browsers
Firefox ESR
Client/Desktop applications /
Web browsers
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to execute arbitrary OS commands.
The vulnerability exists due to insufficient validation of user-supplied input copied into buffer via the 'Copy as cURL' feature of Devtools' network tab. A remote attacker can trick the victim into using the 'Copy as cURL' feature to copy malicious data into buffer and later insert them into a terminal window.
Successful exploitation of the vulnerability may result in OS command execution.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 65.0 - 73.0.1
Firefox ESR: 68.0 - 68.5.0, 60.0 - 60.9.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2020-08/
http://www.mozilla.org/en-US/security/advisories/mfsa2020-09/
http://bugzilla.mozilla.org/show_bug.cgi?id=1607742
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.