#VU94329 NULL pointer dereference in ws - CVE-2024-37890
Published: July 15, 2024
Vulnerability identifier: #VU94329
Vulnerability risk: Medium
CVSSv4.0: 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-2024-37890
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
ws
ws
Software vendor:
WebSockets
WebSockets
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error when handling requests with the number of headers that exceeds the "server.maxHeadersCount" value. A remote attacker can send a specially crafted request to the application and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.
External links
- https://github.com/websockets/ws/security/advisories/GHSA-3h5v-q93c-6h6q
- https://github.com/websockets/ws/issues/2230
- https://github.com/websockets/ws/pull/2231
- https://github.com/websockets/ws/commit/22c28763234aa75a7e1b76f5c01c181260d7917f
- https://github.com/websockets/ws/commit/4abd8f6de4b0b65ef80b3ff081989479ed93377e
- https://github.com/websockets/ws/commit/e55e5106f10fcbaac37cfa89759e4cc0d073a52c
- https://github.com/websockets/ws/commit/eeb76d313e2a00dd5247ca3597bba7877d064a63
- https://nodejs.org/api/http.html#servermaxheaderscount