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 c… (CVE-2013-2175)

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.

Source: CVELISTV5 NVD

Metrics

Severity

none

53.08

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no public PoC known

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88.5 %

Critical — this CVE ranks in the top fifth of all CVEs scored today (rank ≥ 80%).

EPSS score

3.5 %

Moderate — model estimates 1-10% exploitation likelihood.

Published

2013-08-19 00:00 UTC

CWE

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Affected operating systems

linux
debian / debian_linux6.0
linux
canonical / ubuntu_linux12.04
linux
canonical / ubuntu_linux12.10
linux
canonical / ubuntu_linux13.04

Affected products

Products and version ranges extracted from the vendor/CERT advisory. A range like „<4.14.6“ implies the update recommendation „upgrade to 4.14.6 or later“.

haproxy
haproxy
redhat
enterprise_linux_load_balancer

References & sources

IDCVE-2013-2175