CVE-2012-0053 Information disclosure in n/a

What is CVE-2012-0053?

CVE-2012-0053 is a medium-severity vulnerability in Apache Http Server, published on 28 Jan 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

protocol.c in the Apache HTTP Server 2.2.x through 2.2.21 does not properly restrict header information during construction of Bad Request (aka 400) error documents, which allows remote attackers to obtain the values of HTTPOnly cookies via vectors involving a (1) long or (2) malformed header in conjunction with crafted web script.

Which versions are affected by CVE-2012-0053?

It affects 11 products.

Products include Apache Http Server, Debian Debian Linux, Opensuse Opensuse, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server and 5 more.

How do I fix CVE-2012-0053?

Upgrade to a fixed version.

Is CVE-2012-0053 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-0053 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 DEBIAN-CVE-2012-0053, GHSA-x2wg-fp56-xx79.