Cross-site scripting in Apache HTTP Server - CVE-2012-4558

 

Cross-site scripting in Apache HTTP Server - CVE-2012-4558

Published: February 26, 2013 / Updated: July 28, 2020


Vulnerability identifier: #VU32703
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-4558
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in the balancer_handler function in the manager interface in mod_proxy_balancer.c in the mod_proxy_balancer module in the Apache HTTP Server 2.2.x before 2.2.24-dev and 2.4.x before 2.4.4 when processing a crafted string. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

Apache HTTP Server
Amazon Linux AMI
Slackware Linux
apache2 (Alpine package)

How to mitigate CVE-2012-4558

Update to version 2.2.24.

Apache HTTP Server - update to 2.2.24
apache2 (Alpine package) - update to 2.2.24-r0

External References

Related Security Bulletins