CVE-2013-2175
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…
Does this matter?
Lower severity and a low EPSS score (3.52%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 3.52% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-284
- Affected
- debian/debian linux · canonical/ubuntu linux · redhat/enterprise linux load balancer · haproxy/haproxy
- Source
- secalert@redhat.com
References
- http://marc.info/?l=haproxy&m=137147915029705&w=2Patch, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1120.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1204.htmlThird Party Advisory
- http://secunia.com/advisories/54344
- http://www.debian.org/security/2013/dsa-2711Third Party Advisory
- http://www.ubuntu.com/usn/USN-1889-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=974259Issue Tracking
- http://marc.info/?l=haproxy&m=137147915029705&w=2Patch, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1120.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1204.htmlThird Party Advisory
- http://secunia.com/advisories/54344
- http://www.debian.org/security/2013/dsa-2711Third Party Advisory
- http://www.ubuntu.com/usn/USN-1889-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=974259Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.