CVE-2002-2272 Apache Tomcat DoS via Malicious Get Request

What is CVE-2002-2272?

CVE-2002-2272 is a high-severity denial of service vulnerability in Apache Http Server, published on 18 Oct 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tomcat 4.0 through 4.1.12, using mod_jk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service (desynchronized communications) via an HTTP GET request with a Transfer-Encoding chunked field with invalid values.

Weakness: CWE-119

Which versions are affected by CVE-2002-2272?

2 open source packages ship an affected version, including org.apache.tomcat:tomcat. It affects 2 products.

Products include Apache Http Server, Apache Tomcat.

How do I fix CVE-2002-2272?

No fix has been published for CVE-2002-2272 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2002-2272 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-2272 exists.

Public exploit code: 1 Exploit-DB entry.

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 GHSA-pqr5-9v2j-44xg.