CVE-2023-4045
MEDIUM severity · CVSS 5.3 · CWE-346
5.3CVSS MEDIUM
Summary
Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2023-29/Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-30/Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-31/Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1833876
- https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
- https://www.debian.org/security/2023/dsa-5464Advisory
- https://www.debian.org/security/2023/dsa-5469Advisory