Amazon Linux AMI update for haproxy



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-45539
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

haproxy
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU83902

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-45539

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input when processing the "#" character in the URI. A remote attacker can pass specially crafted URI to the application and view otherwise restricted file or potentially manipulate data.

Mitigation

Update the affected packages:

aarch64:
    haproxy-debuginfo-2.8.3-1.amzn2023.aarch64
    haproxy-2.8.3-1.amzn2023.aarch64
    haproxy-debugsource-2.8.3-1.amzn2023.aarch64

src:
    haproxy-2.8.3-1.amzn2023.src

x86_64:
    haproxy-debuginfo-2.8.3-1.amzn2023.x86_64
    haproxy-2.8.3-1.amzn2023.x86_64
    haproxy-debugsource-2.8.3-1.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

haproxy: before 2.8.3-1

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2024-496.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###