Apache mod_jk Access Control Bypass

Description

The Apache Web Server (httpd) with Apache Tomcat JK (mod_jk) Connector versions 1.2.0 to 1.2.44 contains a flaw in path normalization, allowing specially crafted requests to expose unintended application functionality or bypass access controls configured in httpd. Attackers can exploit this vulnerability to access sensitive data or perform unauthorized actions.

Recommendation

Upgrade Apache and mod_jk to the latest stable versions to patch the vulnerability.

References

• Apache HTTP Server
• Apache Tomcat
• CVE-2018-11759
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Etherpad Lite Access Restriction Bypass - CVE-2018-6835
• Twitter-Post-Fetcher vulnerable to Use of Web Link to Untrusted Target with window.opener Access - CVE-2018-25058
• Apache mod_proxy 2.4.48 SSRF - CVE-2021-40438
• Budibase Improper Access Control vulnerability - CVE-2022-3225

Tags:

Apache

Tomcat

Access Control