#VU76691 Inefficient regular expression complexity in cookiejar - CVE-2022-25901


Vulnerability identifier: #VU76691

Vulnerability 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-2022-25901

CWE-ID: CWE-1333

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
cookiejar
Web applications / JS libraries

Vendor: Bradley Farias

Description

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

The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions within the Cookie.parse function. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

cookiejar: 1.0 - 2.1.3


External links
https://github.com/bmeck/node-cookiejar/pull/39/commits/eaa00021caf6ae09449dde826108153b578348e5
https://security.snyk.io/vuln/SNYK-JS-COOKIEJAR-3149984
https://github.com/bmeck/node-cookiejar/pull/39
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-3176681
https://github.com/bmeck/node-cookiejar/blob/master/cookiejar.js%23L73


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.


Latest bulletins with this vulnerability