CVE-2022-37797

Katalog CVE

CVSS 7.5 · High EPSS 2,5%

Kerentanan NULL Pointer Dereference pada lighttpd, debian linux. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.

Rincian

Terbit di NVD

12 September 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-476: NULL Pointer Dereference

EPSS (30 hari)

2,5% peluang dieksploitasi; lebih tinggi dari 84,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://lists.debian.org/debian-lts-announce/2022/10/msg00002.html mailing list · advisory pihak ketiga
• https://redmine.lighttpd.net/issues/3165 exploit · issue tracking · advisory pihak ketiga
• https://security.gentoo.org/glsa/202210-12 advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5243 mailing list · advisory pihak ketiga