KLA20169
Multiple vulnerabilities in Mozilla Firefox ESR

Updated: 01/18/2023
Detect date
?
01/17/2023
Severity
?
High
Description

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to spoof user interface, bypass security restrictions, execute arbitrary code.

Below is a complete list of vulnerabilities:

  1. Security UI vulnerability in Fullscreen notification can be exploited to spoof user interface.
  2. Security bypass vulnerability in libusrsctp can be exploited to bypass security restrictions.
  3. Security vulnerability in WebWorker can be exploited to bypass security restrictions.
  4. Code execution vulnerability in GTK drag and drop can be exploited remotely to execute arbitrary code.
  5. Code execution vulnerability in Devtools can be exploited remotely to execute arbitrary code.
  6. Memory safety vulnerability can be exploited to execute arbitrary code.
  7. Security vulnerability in format directive can be exploited to bypass security restrictions.
  8. Security UI vulnerability in cross-origin iframe can be exploited to spoof user interface.
Affected products

Mozilla Firefox ESR earlier than 102.7

Solution

Update to the latest version
Download Firefox ESR

Original advisories

MFSA2023-02

Impacts
?
ACE 
[?]

SB 
[?]

SUI 
[?]
Related products
Mozilla Firefox ESR
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