SB2024020662 - Anolis OS update for jetty

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Main Vulnerability Database SB2024020662

SB2024020662 - Anolis OS update for jetty

Published: February 6, 2024 Updated: March 28, 2025

Security Bulletin ID SB2024020662
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper access control (CVE-ID: CVE-2021-34429)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper input validation when processing certain characters in URI. A remote attacker can send a specially crafted HTTP request with encoded characters in URI, bypass implemented security restrictions and access content of the WEB-INF directory.


2) Input validation error (CVE-ID: CVE-2021-28164)

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

The vulnerability exists due to insufficient validation of user-supplied input when processing special characters, passed via URI. A remote attacker can use %2e or %2e%2e segments to access protected resources within the WEB-INF directory.

Example:

http://[host]/context/%2e/WEB-INF/web.xml


Remediation

Install update from vendor's website.

References