Spoofing attack in Mozilla products - CVE-2023-29547
Published: April 11, 2023
Vulnerability identifier: #VU74837
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-29547
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox for Android
Firefox Focus for Android
Mozilla Firefox
Firefox for Android
Firefox Focus for Android
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to insecure handling of cookies in Firefox cookie jar. When a secure cookie existed in the Firefox cookie jar an insecure cookie for the same domain could have been created, when it should have silently failed. This could have led to a desynchronization in expected results when reading from the secure cookie.
How to mitigate CVE-2023-29547
Install updates from vendor's website.