#VU88394 Resource exhaustion in es5-ext - CVE-2024-27088

Vulnerability identifier: #VU88394

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-27088

CWE-ID: CWE-400

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
es5-ext
Other software / Other software solutions

Vendor: medikoo

Description

The vulnerability allows a local privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A local privileged user can pass functions with very long names or complex default argument names into `function#copy` or `function#toStringTokens` and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

es5-ext: 0.10.0 - 0.10.62

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External links
https://github.com/medikoo/es5-ext/security/advisories/GHSA-4gmj-3p3h-gm8h
https://github.com/medikoo/es5-ext/issues/201
https://github.com/medikoo/es5-ext/commit/3551cdd7b2db08b1632841f819d008757d28e8e2
https://github.com/medikoo/es5-ext/commit/a52e95736690ad1d465ebcd9791d54570e294602

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.