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AUSCERT External Security Bulletin Redistribution
ESB-2024.1744
MFSA 2024-15 Security Vulnerabilities fixed in Firefox 124.0.1
25 March 2024
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AusCERT Security Bulletin Summary
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Product: Firefox (Desktop)
Publisher: Mozilla Foundation
Operating System: UNIX
Windows
Resolution: Patch/Upgrade
CVE Names: CVE-2024-29944 CVE-2024-29943
Original Bulletin:
https://www.mozilla.org/en-US/security/advisories/mfsa2024-15/
Comment: CVSS (Max): 8.8 CVE-2024-29944 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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Mozilla Foundation Security Advisory 2024-15
Security Vulnerabilities fixed in Firefox 124.0.1
Announced: March 22, 2024
Impact: critical
Products: Firefox
Fixed in: Firefox 124.0.1
# CVE-2024-29943: Out-of-bounds access via Range Analysis bypass
Reporter: Manfred Paul via Trend Micro's Zero Day Initiative
Impact: critical
Description
An attacker was able to perform an out-of-bounds read or write on a JavaScript
object by fooling range-based bounds check elimination.
References
o Bug 1886849
# CVE-2024-29944: Privileged JavaScript Execution via Event Handlers
Reporter: Manfred Paul via Trend Micro's Zero Day Initiative
Impact: critical
Description
An attacker was able to inject an event handler into a privileged object that
would allow arbitrary JavaScript execution in the parent process. Note: This
vulnerability affects Desktop Firefox only, it does not affect mobile versions
of Firefox.
References
o Bug 1886852
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