SB2022072917 - Multiple vulnerabilities in Atlassian Products



SB2022072917 - Multiple vulnerabilities in Atlassian Products

Published: July 29, 2022 Updated: January 27, 2023

Security Bulletin ID SB2022072917
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 33% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2022-26136)

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 in the Servlet Filter. A remote attacker can trick the victim to follow a specially crafted link and 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.


2) Insufficient verification of data authenticity (CVE-ID: CVE-2022-26137)

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

The vulnerability exists due to origin validation error when processing HTTP requests, related to cross-origin sharing (CORS) in the Servlet Filter. A remote attacker can trick the victim to follow a specially crafted link and access the vulnerable application with the victim’s permissions.


3) Deserialization of Untrusted Data (CVE-ID: CVE-2022-26133)

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

The vulnerability exists due to insecure input validation when processing serialized data within the SharedSecretClusterAuthenticator. A remote non-authenticated attacker can send specially crafted data to the application 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.