Paper/Archive/CVE-2024-5699

CVE-2024-5699

Mozilla Firefox — In violation of spec, cookie prefixes such as `__Secure` were being ignored if they were not correctly capitalized - by spec they should…

EPSS 0.8%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 55.7.557 × 2011.1 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

In violation of spec, cookie prefixes such as `__Secure` were being ignored if they were not correctly capitalized - by spec they should be checked with a case-insensitive comparison. This could have resulted in the browser not correctly honoring the behaviors specified by the prefix. This vulnerability affects Firefox < 127.

Affected

ProductAffectedFixed inSource

Firefoxunspecified – < 127127CNA

firefox< 127127CISA-ADP

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=1891349 refmozilla.org/security/advisories/mfsa2024-25