#VU52986 Incorrect Regular Expression in is-svg - CVE-2021-28092

Vulnerability identifier: #VU52986

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28092

CWE-ID: CWE-185

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
is-svg
Web applications / JS libraries

Vendor: sindresorhus

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. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

is-svg: 2.1.0 - 4.2.1

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External links
https://github.com/sindresorhus/is-svg/releases
https://github.com/sindresorhus/is-svg/releases/tag/v4.2.2
https://www.npmjs.com/package/is-svg

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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.