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Debian LTS: Security Advisory for haproxy (DLA-3034-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'haproxy' package(s) announced via the DLA-3034-1 advisory.
Insight
Insight
Nathan Davison discovered that HAProxy, a load balancing reverse proxy, did not correctly reject requests or responses featuring a transfer-encoding header missing the 'chunked' value which could facilitate a HTTP request smuggling attack. Furthermore several flaws were discovered in DNS related functions that may trigger infinite recursion leading to a denial of service or to information leakage due to a out-of-bounds read.
Affected Software
Affected Software
'haproxy' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 stretch, these problems have been fixed in version 1.7.5-2+deb9u1. We recommend that you upgrade your haproxy packages.