SB2022110953 - Multiple vulnerabilities in Pale Moon

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Main Vulnerability Database SB2022110953

SB2022110953 - Multiple vulnerabilities in Pale Moon

Published: November 9, 2022

Security Bulletin ID SB2022110953
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Security features bypass (CVE-ID: CVE-2022-40956)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to some requests may ignore the CSP's base-uri settings when handling HTML base element injection. A remote attacker can force the browser to accept the injected element's base instead of the original code, leading to Content Security Policy bypass.


2) Security features bypass (CVE-ID: CVE-2022-40958)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect handling of cookies. A remote attacker with access to a shared subdomain can inject a cookies with certain special characters, bypass Secure Context restriction for cookies with __Host and __Secure prefix and overwrite these cookies, potentially allowing session fixation attacks. 


Remediation

Install update from vendor's website.

References