HAProxy vulnerability

2023-08-1600:00:00

ubuntu.com

ubuntu

haproxy

vulnerability

payload manipulation

content-length headers

bypass restrictions

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

7.3 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

54.0%

JSON

Releases

Ubuntu 23.04
Ubuntu 22.04 LTS

Packages

haproxy - fast and reliable load balancing reverse proxy

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
Ubuntu23.04noarchhaproxy< 2.6.9-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchhaproxy-dbgsym< 2.6.9-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchhaproxy-doc< 2.6.9-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchvim-haproxy< 2.6.9-1ubuntu1.1UNKNOWN
Ubuntu22.04noarchhaproxy< 2.4.22-0ubuntu0.22.04.2UNKNOWN
Ubuntu22.04noarchhaproxy-dbgsym< 2.4.22-0ubuntu0.22.04.2UNKNOWN
Ubuntu22.04noarchhaproxy-doc< 2.4.22-0ubuntu0.22.04.2UNKNOWN
Ubuntu22.04noarchvim-haproxy< 2.4.22-0ubuntu0.22.04.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Ubuntu	23.04	noarch	haproxy	< 2.6.9-1ubuntu1.1	UNKNOWN
Ubuntu	23.04	noarch	haproxy-dbgsym	< 2.6.9-1ubuntu1.1	UNKNOWN
Ubuntu	23.04	noarch	haproxy-doc	< 2.6.9-1ubuntu1.1	UNKNOWN
Ubuntu	23.04	noarch	vim-haproxy	< 2.6.9-1ubuntu1.1	UNKNOWN
Ubuntu	22.04	noarch	haproxy	< 2.4.22-0ubuntu0.22.04.2	UNKNOWN
Ubuntu	22.04	noarch	haproxy-dbgsym	< 2.4.22-0ubuntu0.22.04.2	UNKNOWN
Ubuntu	22.04	noarch	haproxy-doc	< 2.4.22-0ubuntu0.22.04.2	UNKNOWN
Ubuntu	22.04	noarch	vim-haproxy	< 2.4.22-0ubuntu0.22.04.2	UNKNOWN