HAProxy 1.5.x < 1.5.16 Off-by-one Vulnerability

high Nessus Network Monitor Plugin ID 9964

Synopsis

The remote host is running a version of HAProxy that is affected by an Off-by-one attack vector.

Description

The installed version of HAProxy installed is version 1.5.x prior to 1.5.16, and is affected by an off-by-one flaw in the SSL component that is triggered during ALPN and NPN list allocation. No further details have been provided.

Solution

Upgrade to HAProxy version 1.5.16 or higher.

See Also

http://www.HAProxy.org/download/1.5/src/CHANGELOG

Plugin Details

Severity: High

ID: 9964

Family: Web Servers

Published: 2/15/2017

Updated: 3/6/2019

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:X/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 3/14/2016

Vulnerability Publication Date: 3/14/2016