SB2022072841 - Ubuntu update for firefox



SB2022072841 - Ubuntu update for firefox

Published: July 28, 2022

Security Bulletin ID SB2022072841
Severity
High
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 17% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2022-2505)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Resource management error (CVE-ID: CVE-2022-36315)

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

The vulnerability exists due to incorrect implementation of the cache preload. When loading a script with Subresource Integrity, attackers with an injection capability could trigger the reuse of previously cached entries with incorrect, different integrity metadata.


3) Information Exposure Through Timing Discrepancy (CVE-ID: CVE-2022-36316)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the way Performance API handles cross-site redirects. A remote attacker can observe differences between PerformanceEntries and learn whether the target URL had been subject to a redirect.


4) Cross-site scripting (CVE-ID: CVE-2022-36318)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when visiting directory listings for chrome:// URLs as source text. A remote attacker can execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


5) Spoofing attack (CVE-ID: CVE-2022-36319)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error, related to mouse pointer positioning when combining CSS properties for overflow and transform. A remote attacker can trick the victim into interacting with mouse cursor with different coordinates than displayed.


6) Buffer overflow (CVE-ID: CVE-2022-36320)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.