Denial of service in scss-tokenizer



Published: 2023-05-16
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-25758
CWE-ID CWE-185
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		scss-tokenizer
Web applications / JS libraries

Vendor Sass Tools

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Incorrect regular expression

EUVDB-ID: #VU76180

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-25758

CWE-ID:

Exploit availability:

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 regular expressions in loadAnnotation() 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

scss-tokenizer: 0.0.1 - 0.4.2

Fixed software versions

CPE2.3 External links

http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2936782
http://snyk.io/vuln/SNYK-JS-SCSSTOKENIZER-2339884
http://github.com/sasstools/scss-tokenizer/issues/45


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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