CVE-2009-1191 Information disclosure in n/a

Medium 5.0 Published 23 Apr 2009 Updated 7 Aug 2024

Remote attackers can obtain sensitive response data intended for other clients via crafted HTTP requests in Apache mod_proxy_ajp.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2009-1191?

CVE-2009-1191 is a medium-severity vulnerability in Apache Http Server, published on 23 Apr 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

mod_proxy_ajp.c in the mod_proxy_ajp module in the Apache HTTP Server 2.2.11 allows remote attackers to obtain sensitive response data, intended for a client that sent an earlier POST request with no request body, via an HTTP request.

Which versions are affected by CVE-2009-1191?

It affects 2 products.

Linux distribution packages (12)

`httpd22` Red Hat:jboss_enterprise_web_server:1::el4	All versions	`0:2.2.10-16.1.ep5.el4`
`httpd22-apr` Red Hat:jboss_enterprise_web_server:1::el4	All versions	`0:2.2.10-16.1.ep5.el4`
`httpd22-apr-devel` Red Hat:jboss_enterprise_web_server:1::el4	All versions	`0:2.2.10-16.1.ep5.el4`
`httpd22-apr-util` Red Hat:jboss_enterprise_web_server:1::el4	All versions	`0:2.2.10-16.1.ep5.el4`
`httpd22-apr-util-devel` Red Hat:jboss_enterprise_web_server:1::el4	All versions	`0:2.2.10-16.1.ep5.el4`
`httpd22-debuginfo` Red Hat:jboss_enterprise_web_server:1::el4	All versions	`0:2.2.10-16.1.ep5.el4`
`httpd22-devel` Red Hat:jboss_enterprise_web_server:1::el4	All versions	`0:2.2.10-16.1.ep5.el4`
`mod_ssl22` Red Hat:jboss_enterprise_web_server:1::el4	All versions	`1:2.2.10-16.1.ep5.el4`
`httpd` Red Hat:jboss_enterprise_web_server:1::el5	All versions	`0:2.2.10-4.ep5.el5`
`httpd-devel` Red Hat:jboss_enterprise_web_server:1::el5	All versions	`0:2.2.10-4.ep5.el5`
`httpd-manual` Red Hat:jboss_enterprise_web_server:1::el5	All versions	`0:2.2.10-4.ep5.el5`
`mod_ssl` Red Hat:jboss_enterprise_web_server:1::el5	All versions	`1:2.2.10-4.ep5.el5`

Products include Apache Http Server, Canonical Ubuntu Linux.

How do I fix CVE-2009-1191?

Upgrade to a fixed version.

Is CVE-2009-1191 being exploited?

There is no known exploitation of CVE-2009-1191 in the wild and no public exploit code.

All Apache Http Server vulnerabilities

Sources

Also known as DEBIAN-CVE-2009-1191, GHSA-h7v8-q79w-9jq6, RHSA-2009:1058.