Detections
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EulerOS 2.0 SP9 : haproxy (EulerOS-SA-2021-2916)

high Nessus Plugin ID 156407

Synopsis

The remote EulerOS host is missing a security update.

Description

According to the versions of the haproxy package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 - An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs. (CVE-2021-40346)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected haproxy packages.

See Also

http://www.nessus.org/u?e2856511

Plugin Details

Severity: High

ID: 156407

File Name: EulerOS_SA-2021-2916.nasl

Version: 1.3

Type: local

Published: 12/30/2021

Updated: 11/21/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-40346

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:haproxy, cpe:/o:huawei:euleros:2.0

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

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/30/2021

Vulnerability Publication Date: 9/7/2021

Reference Information

CVE: CVE-2021-40346

IAVB: 2021-B-0056