CVE-2006-3747 Integer overflow in n/a

What is CVE-2006-3747?

CVE-2006-3747 is a high-severity vulnerability in Apache Http Server, published on 28 Jul 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Off-by-one error in the ldap scheme handling in the Rewrite module (mod_rewrite) in Apache 1.3 from 1.3.28, 2.0.46 and other versions before 2.0.59, and 2.2, when RewriteEngine is enabled, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted URLs that are not properly handled using certain rewrite rules.

Weakness: CWE-189

Which versions are affected by CVE-2006-3747?

It affects 3 products.

Products include Apache Http Server, Canonical Ubuntu Linux, Debian Debian Linux.

How do I fix CVE-2006-3747?

Upgrade to a fixed version.

Is CVE-2006-3747 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-3747 exists.

Public exploit code: 1 Metasploit module, 4 Exploit-DB entries and 1 proofs of concept on GitHub.

Other vulnerabilities in Apache Http Server

• CVE-2021-42013 Apache HTTP Server Path Traversal Exploited Critical 9.8
• CVE-2024-38475 Apache HTTP Server Improper Escaping of Output Exploited Critical 9.1
• CVE-2021-40438 Apache HTTP Server-Side Request Forgery (SSRF) Exploited Critical 9.0
• CVE-2019-0211 Apache HTTP Server Privilege Escalation Exploited High 7.8
• CVE-2021-41773 Apache HTTP Server Path Traversal Exploited High 7.5

All Apache Http Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2006-3747, DSA-1131-1, DSA-1132-1, GHSA-47q7-qpgp-938j.