CVE-2022-31739 — External Control of File Name or Path in Mozilla Firefox
Severity
8.8HIGHNVD
EPSS
0.5%
top 35.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 22
Description
When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%.*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages6 packages
🔴Vulnerability Details
3GHSA▶
GHSA-w6x2-rcr6-2hh6: When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced↗2022-12-22
CVEList▶
CVE-2022-31739: When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced↗2022-12-22
OSV▶
CVE-2022-31739: When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced↗2022-12-22
📋Vendor Advisories
5Debian▶
CVE-2022-31739: firefox - When downloading files on Windows, the % character was not escaped, which could ...↗2022