CVE-2023-29539

Summary

When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to install malware. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

Impact & exploitability

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products we track (2)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

• NVD record
• https://www.mozilla.org/security/advisories/mfsa2023-13/Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-14/Advisory
• https://www.mozilla.org/security/advisories/mfsa2023-15/Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1784348