Vulnerability 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%.<br>*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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 101 |
| Mozilla | Firefox Esr | < 91.10 |
| Mozilla | Thunderbird | < 91.10 |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1765049Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-20/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-22/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1765049Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-20/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-22/Vendor Advisory
FAQ
What is CVE-2022-31739?
CVE-2022-31739 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 %...
How severe is CVE-2022-31739?
CVE-2022-31739 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-31739?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Microsoft Windows.