SB2013081903 - Input validation error in HAProxy

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Main Vulnerability Database SB2013081903

SB2013081903 - Input validation error in HAProxy

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

Security Bulletin ID SB2013081903
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2013-2175)

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.

References