#VU32830 Heap-based buffer overflow in Apache HTTP Server - CVE-2011-3607

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Main Vulnerability Database Vulnerabilities #VU32830

#VU32830 Heap-based buffer overflow in Apache HTTP Server - CVE-2011-3607

Published: November 8, 2011 / Updated: July 29, 2020


Vulnerability identifier: #VU32830
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2011-3607
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vulnerable software:
Apache HTTP Server
Software vendor:
Apache Foundation

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled,. A remote attacker can use a .htaccess file with a crafted SetEnvIf directive to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Update to version 2.0.65.

External links