Paper/Archive/CVE-2022-34476

CVE-2022-34476

Mozilla Firefox — ASN.1 parsing of an indefinite SEQUENCE inside an indefinite GROUP could have resulted in the parser accepting malformed ASN.1.

EPSS 0.7%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD, ADP agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 53.5.535 × 2010.7 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

ASN.1 parsing of an indefinite SEQUENCE inside an indefinite GROUP could have resulted in the parser accepting malformed ASN.1. This vulnerability affects Firefox < 102.

Affected

ProductAffectedFixed inSource

Firefoxunspecified – < 102102CNA

Scores by source

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

NVD9.8CVSS: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

refmozilla.org/security/advisories/mfsa2022-24 refbugzilla.mozilla.org/show_bug.cgi?id=1387919