SB2013041102 - Cross-site scripting in apache2 (Alpine package)

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2012-4558)

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.

Remediation

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=9324aba155de68025995ae10cf345b63bbcaa07e
• https://git.alpinelinux.org/aports/commit/?id=04bea357b4d5a7b811d8cbc3fe44a8affbd06e9a
• https://git.alpinelinux.org/aports/commit/?id=ba1ab788a76280d4a7b7caa4af81ab3215f293ed
• https://git.alpinelinux.org/aports/commit/?id=42f995f298cf8fb6ba6e2aa1f6889de213738ae7