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CVE-2022-31739

Date: December 21, 2022

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.

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2022-31739
https://www.mozilla.org/security/advisories/mfsa2022-21/
https://www.mozilla.org/security/advisories/mfsa2022-20/
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-31739
https://security.alpinelinux.org/vuln/CVE-2022-31739
https://bugzilla.mozilla.org/show_bug.cgi?id=1765049
https://www.mozilla.org/security/advisories/mfsa2022-22/
https://www.mend.io/vulnerability-database/CVE-2022-31739

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

External Control of File Name or Path

CWE-73

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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