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

File Name: 9964.prm

Family: Web Servers

Published: 2017/02/15

Modified: 2017/02/15

Risk Information

Risk Factor: High

CVSSv2

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

CVSSv3

Base Score: 7.3

Temporal Score: 7

Vector: CVSS3#AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS3#E:X/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 2016/03/14

Vulnerability Publication Date: 2016/03/14

Reference Information

OSVDB: 135912