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Mozilla Foundation Security Advisory 2023-23

Security Vulnerabilities fixed in Firefox ESR 102.13

Announced
July 4, 2023
Impact
high
Products
Firefox ESR
Fixed in
  • Firefox ESR 102.13

#CVE-2023-37201: Use-after-free in WebRTC certificate generation

Reporter
Irvan Kurniawan
Impact
high
Description

An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.

References

#CVE-2023-37202: Potential use-after-free from compartment mismatch in SpiderMonkey

Reporter
zx
Impact
high
Description

Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment resulting in a use-after-free.

References

#CVE-2023-37207: Fullscreen notification obscured

Reporter
Shaheen Fazim
Impact
moderate
Description

A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks.

References

#CVE-2023-37208: Lack of warning when opening Diagcab files

Reporter
P Umar Farooq
Impact
moderate
Description

When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code.

References

#CVE-2023-37211: Memory safety bugs fixed in Firefox 115, Firefox ESR 102.13, and Thunderbird 102.13

Reporter
Andrew McCreight, Matthew Gaudet, Tom Ritter, and the Mozilla Fuzzing Team,
Impact
high
Description

Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References