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Debian LTS: Security Advisory for haproxy (DLA-3034-1)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

2 months ago

Modified

Modified

2 months ago

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.

Common Vulnerabilities and Exposures (CVE)