Detections
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Oracle Linux 9 : haproxy (ELSA-2023-6496)

high Nessus Plugin ID 185844

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2023-6496 advisory.

 - An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way. (CVE-2023-0836)

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

Solution

Update the affected haproxy package.

See Also

https://linux.oracle.com/errata/ELSA-2023-6496.html

Plugin Details

Severity: High

ID: 185844

File Name: oraclelinux_ELSA-2023-6496.nasl

Version: 1.0

Type: local

Agent: unix

Published: 11/16/2023

Updated: 11/16/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-0836

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:haproxy, cpe:/a:oracle:linux:9:3:appstream_base, cpe:/a:oracle:linux:9::appstream, cpe:/o:oracle:linux:9

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2023

Vulnerability Publication Date: 3/29/2023

Reference Information

CVE: CVE-2023-0836