#VU81699 Inefficient regular expression complexity in AngularJS


Vulnerability identifier: #VU81699

Vulnerability risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-26118

CWE-ID: CWE-1333

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
AngularJS
Web applications / JS libraries

Vendor: Google

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 in the input[url] functionality. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

AngularJS: 1.4.9 - 1.8.3


External links
http://stackblitz.com/edit/angularjs-vulnerability-inpur-url-validation-redos
http://security.snyk.io/vuln/SNYK-JS-ANGULAR-3373046
http://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBANGULAR-5406328
http://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-5406327
http://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-5406326


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