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CVE

CVE-2022-29916

Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. Thi

Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

MEDIUM · CVSS 6.5 EPSS 0.00244
Schedule remediation
  • Public exploit or PoC is available
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

3
mozilla firefox< 100.0
mozilla firefox esr< 91.9
mozilla thunderbird< 91.9
⚠

Public Exploits & PoCs

4
pocbugzilla.mozilla.org · show_bug.cgi?id=1760674bugzilla.mozilla.org
pocwww.mozilla.org · mfsa2022-16www.mozilla.org
pocwww.mozilla.org · mfsa2022-17www.mozilla.org
pocwww.mozilla.org · mfsa2022-18www.mozilla.org
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Dec 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

23
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:12044-1
suse-csafopenSUSE-SU-2024:12045-1
usnUSN-5435-1
suse-csafSUSE-SU-2022:1748-1
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