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CVE

CVE-2022-40959

During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leak

During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leaked device permissions into untrusted subdocuments. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

MEDIUM · CVSS 6.5 EPSS 0.00134
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-922Insecure Storage of Sensitive Information
CWE-922Insecure Storage of Sensitive Information
▤

Affected Products & Versions

3
mozilla firefox< 105.0
mozilla firefox esr< 102.3
mozilla thunderbird< 102.3
◈

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-2024:12358-1
suse-csafopenSUSE-SU-2024:12398-1
suse-csafopenSUSE-SU-2024:12425-1
usnUSN-5724-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.mozilla.org/show_bug.cgi?id=1782211Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2022-40/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-41/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-42/Vendor Advisory
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