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CVE

CVE-2023-29531

An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potent

An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potentially exploitable crash. This bug only affects Firefox and Thunderbird for macOS. Other operating systems are unaffected. This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.

CRITICAL · CVSS 9.8 EPSS 0.00569
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules9 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
mozilla firefox< 112.0
mozilla firefox esr< 102.10
mozilla thunderbird< 102.10
◈

Sigma Hunt Rules

9
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.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

9.8
CRITICAL · 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 NVD19 Jun 2023 · 10:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
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

9
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:12852-1
suse-csafopenSUSE-SU-2024:12856-1
suse-csafopenSUSE-SU-2024:12882-1
suse-csafSUSE-SU-2023:2064-1
🔗

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=1794292Permissions Required
https://www.mozilla.org/security/advisories/mfsa2023-13/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-14/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-15/Vendor Advisory
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