Amazon Linux AMI update for future



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-40899
CWE-ID CWE-185
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

future
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Incorrect Regular Expression

EUVDB-ID: #VU71137

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-40899

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation when processing the Set-Cookie header. A remote attacker can send a specially crafted HTTP request to the application and perform a regular expression denial of service (ReDoS) attack.

Mitigation

Update the affected packages:

noarch:
    python3-future-0.18.3-1.amzn2023.0.1.noarch

src:
    future-0.18.3-1.amzn2023.0.1.src

Vulnerable software versions

Amazon Linux AMI: All versions

future: before 0.18.3-1

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-173.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.



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