HAProxy vulnerability

2023-08-1700:00:00

ubuntu.com

ubuntu 20.04 lts

haproxy

load balancing

reverse proxy

vulnerability

content-length

remote attacker

payload manipulation

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

7.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

54.0%

JSON

Releases

Ubuntu 20.04 LTS

Packages

haproxy - fast and reliable load balancing reverse proxy

Details

USN-6294-1 fixed vulnerabilities in HAProxy. This update provides the
corresponding updates for Ubuntu 20.04 LTS.

Original advisory details:

Ben Kallus discovered that HAProxy incorrectly handled empty Content-Length
headers. A remote attacker could possibly use this issue to manipulate the
payload and bypass certain restrictions.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchhaproxy< 2.0.31-0ubuntu0.2UNKNOWN
Ubuntu20.04noarchhaproxy-dbgsym< 2.0.31-0ubuntu0.2UNKNOWN
Ubuntu20.04noarchhaproxy-doc< 2.0.31-0ubuntu0.2UNKNOWN
Ubuntu20.04noarchvim-haproxy< 2.0.31-0ubuntu0.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	20.04	noarch	haproxy	< 2.0.31-0ubuntu0.2	UNKNOWN
Ubuntu	20.04	noarch	haproxy-dbgsym	< 2.0.31-0ubuntu0.2	UNKNOWN
Ubuntu	20.04	noarch	haproxy-doc	< 2.0.31-0ubuntu0.2	UNKNOWN
Ubuntu	20.04	noarch	vim-haproxy	< 2.0.31-0ubuntu0.2	UNKNOWN