Vulnerability identifier: #VU72033
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-185
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Luxon
Web applications /
JS libraries
Vendor: Moment.js
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 updates from vendor's website.
Vulnerable software versions
Luxon: 3.0.0 - 3.2.0, 2.0.0 - 2.5.1, 1.0.0 - 1.28.0
External links
http://github.com/moment/luxon/commit/5ab3bf64a10da929a437629cdb2f059bb83212bf
http://github.com/moment/luxon/security/advisories/GHSA-3xq5-wjfh-ppjc
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.