Amazon Linux 2 : haproxy2 (ALASHAPROXY2-2024-008)

high Nessus Plugin ID 187781

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of haproxy2 installed on the remote host is prior to 2.2.17-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2HAPROXY2-2024-008 advisory.

- HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server. (CVE-2023-45539)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update haproxy2' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALASHAPROXY2-2024-008.html

https://alas.aws.amazon.com/cve/html/CVE-2023-45539.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: High

ID: 187781

File Name: al2_ALASHAPROXY2-2024-008.nasl

Version: 1.0

Type: local

Agent: unix

Published: 1/9/2024

Updated: 1/9/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2023-45539

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:haproxy2, p-cpe:/a:amazon:linux:haproxy2-debuginfo, cpe:/o:amazon:linux:2

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/3/2024

Vulnerability Publication Date: 11/28/2023

Reference Information

CVE: CVE-2023-45539