Detections
Analytics
Amazon Linux 2 : haproxy2 (ALASHAPROXY2-2023-006)
high Nessus Plugin ID 181985
Language:
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 2.1.4-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2HAPROXY2-2023-006 advisory.In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution. (CVE-2020-11100)
Tenable has extracted the preceding description block directly from the tested product security advisory.
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/ALASHAPROXY2-2023-006.html
Plugin Details
Severity: High
ID: 181985
File Name: al2_ALASHAPROXY2-2023-006.nasl
Version: 1.2
Type: local
Agent: unix
Published: 9/27/2023
Updated: 12/11/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.1
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS Score Source: CVE-2020-11100
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.9
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:haproxy2, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:haproxy2-debuginfo
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/21/2023
Vulnerability Publication Date: 4/2/2020
Reference Information
CVE: CVE-2020-11100