cbcvebase.
CVE-2022-1097
published 2022-12-22

CVE-2022-1097: NSSToken objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and…

PriorityP276medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
ITWVulnCheck KEV
Exploited in the wild
EPSS
0.92%
55.7th percentile
NSSToken objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

Affected

18 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 99.0-1 (sid)firefox 99.0-1 (sid)
debianfirefox-esr< firefox 99.0-1 (sid)firefox 99.0-1 (sid)
debianthunderbird< firefox 99.0-1 (sid)firefox 99.0-1 (sid)
mozillafirefox< 99.099.0
mozillafirefox
mozillafirefox>= 0 < 99.0+build2-0ubuntu0.18.04.299.0+build2-0ubuntu0.18.04.2
mozillafirefox>= 0 < 99.0+build2-0ubuntu0.20.04.299.0+build2-0ubuntu0.20.04.2
mozillafirefox>= unspecified < 9999
mozillafirefox_esr< 91.891.8
mozillafirefox_esr>= unspecified < 91.891.8
mozillathunderbird< 91.891.8
mozillathunderbird>= 0 < 1:91.8.0-1~deb11u11:91.8.0-1~deb11u1
mozillathunderbird>= 0 < 1:91.8.0-11:91.8.0-1
mozillathunderbird>= 0 < 1:91.8.0-11:91.8.0-1
mozillathunderbird>= 0 < 1:91.8.0-11:91.8.0-1
mozillathunderbird>= 0 < 1:91.8.1+build1-0ubuntu0.18.04.11:91.8.1+build1-0ubuntu0.18.04.1
mozillathunderbird>= 0 < 1:91.8.1+build1-0ubuntu0.20.04.11:91.8.1+build1-0ubuntu0.20.04.1
mozillathunderbird>= unspecified < 91.891.8

Detection & IOCsextracted from sources · hover to see the quote

  • Vulnerability is a use-after-free in NSSToken objects accessed unsafely across threads; target detection on Firefox < 99, Firefox ESR < 91.8, and Thunderbird < 91.8
  • Flag unpatched Firefox installations below version 99 as vulnerable to CVE-2022-1097
  • Flag unpatched Firefox ESR installations below version 91.8 as vulnerable to CVE-2022-1097
  • Flag unpatched Thunderbird installations below version 91.8 as vulnerable to CVE-2022-1097
  • ·Red Hat Enterprise Linux 9 packages for both firefox and thunderbird are listed as Not affected by this CVE
  • ·Red Hat Enterprise Linux 6 packages for firefox and thunderbird are out of support scope and will not receive patches
  • ·Debian sid resolved the vulnerability with firefox package version 99.0-1
  • ·Impact rating differs by product: rated 'moderate' for Firefox but 'high' for Firefox ESR and Thunderbird

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
osv6.5MEDIUM
vulncheck6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
vendor_ubuntu6.5MEDIUM
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