Home/CVE/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 nega
CVE

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 nega

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.

MEDIUM · CVSS 5 EPSS 0.00076
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-284Improper Access Control
▤

Affected Products & Versions

4
debian linuxall versions
canonical ubuntu linuxall versions
redhat enterprise linux load balancerall versions
haproxyall versions
▣

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published to NVD19 Aug 2013 · 01:07 PM
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:10114-1
usnUSN-1889-1
rhsaRHSA-2013:1120Moderate
rhsaRHSA-2013:1204Moderate
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://marc.info/?l=haproxy&m=137147915029705&w=2PatchThird 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
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