CVE Database


Impact: Moderate
Public: 2013-06-17
Bugzilla: 974259: CVE-2013-2175 haproxy: http_get_hdr()/get_ip_from_hdr2() MAX_HDR_HISTORY handling denial of service


The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-2175 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 5.0
Base Metrics: AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector: Network
Access Complexity: Low
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
RHOSE Client 1.2 (haproxy) RHSA-2013:1204 September 04, 2013
Red Hat Enterprise Linux version 6 (haproxy) RHSA-2013:1120 July 30, 2013

External References


Red Hat would like to thank HAProxy upstream for reporting this issue. Upstream acknowledges David Torgerson as the original reporter.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.