Input validation error in Firefox for iOS - CVE-2020-15651
Published: July 30, 2020
Vulnerability identifier: #VU32933
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-15651
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to insufficient validation of filenames when downloading files, as a unicode RTL order character in the downloaded file name can be used to
change the file's name during the download UI flow to change the file
extension. A remote attacker can trick the victim into downloading malicious files to the system.
Affected software
Firefox for iOS
How to mitigate CVE-2020-15651
Install updates from vendor's website.
Firefox for iOS - update to 28.0