#VU32659 Input validation error in HAProxy - CVE-2013-2175

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Main Vulnerability Database Vulnerabilities #VU32659

#VU32659 Input validation error in HAProxy - CVE-2013-2175

Published: August 19, 2013 / Updated: July 28, 2020


Vulnerability identifier: #VU32659
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-2175
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
HAProxy
Software vendor:
HAProxy

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other "hdr_*" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.


Remediation

Install update from vendor's website.

External links