Incorrect regular expression in IBM App Connect Enterprise Certified Container

1) Incorrect Regular Expression

EUVDB-ID: #VU72033

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-2023-22467

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 an incorrect regular expression when parsing untrusted input within the Luxon's DateTime.fromRFC2822() function. A remote attacker can causes a noticeable slowdown for inputs with lengths above 10k characters.

Note, this is the same vulnerability as #VU65835 (CVE-2022-31129) reported earlier for moment.js.

Mitigation

Install update from vendor's website.

Vulnerable software versions

App Connect Enterprise Certified Container: before 5.0.3

CPE2.3

• cpe:2.3:a:ibm_corporation:app_connect_enterprise_certified_container:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/6952425

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.