adminutil is a library of common functions used by multiple CGI scripts shipped with Red Hat / Fedora Directory Server.
It was discovered that adminutil HTTP unescaping functions did not properly handle %-encoded inputs, resulting in a miscalculation of memory requirement needed to hold processed string with special characters replaced with HTML entities. This resulted in a heap-based overflow. An attacker with access to certain Directory Server's CGI scripts could use this flaw to crash or possibly execute arbitrary code with the privileges of the Directory Server Administration Server (unprivileged user, nobody by default, in affected Directory Server versions).
Problem was introduced by a bug fix included in adminutil 1.1.6, affected packages were only shipped in Fedora.
Red Hat Directory Server 7.1 and 8 did not contain vulnerable code.
adminutil is a library of common functions used by multiple CGI scripts shipped with Red Hat / Fedora Directory Server.
It was discovered that adminutil HTTP unescaping functions did not properly handle %-encoded inputs, resulting in a miscalculation of memory requirement needed to hold processed string with special characters replaced with HTML entities. This resulted in a heap-based overflow. An attacker with access to certain Directory Server's CGI scripts could use this flaw to crash or possibly execute arbitrary code with the privileges of the Directory Server Administration Server (unprivileged user, nobody by default, in affected Directory Server versions).
Problem was introduced by a bug fix included in adminutil 1.1.6, affected packages were only shipped in Fedora.
Red Hat Directory Server 7.1 and 8 did not contain vulnerable code.
A flaw was found in a Accept Language HTTP header parsers implemented in adminutil library used by various Red Hat Directory Server's Administration Server's CGI scripts. A remote attacker able to connect to Administration Server web interface could cause a CGI scripts to crash, or possibly execute an arbitrary code.
Issue affects: - Red Hat Directory Server 7.1 - adminutil packages shipped in Red Hat Directory Server 8 and Fedora Directory Server, prior to adminutil version 1.1.7