CVE-2021-36222

Katalog CVE

CVSS 7.5 · High EPSS 10,3%

Kerentanan NULL Pointer Dereference pada mit kerberos 5, debian linux +5 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.

Rincian

Terbit di NVD

22 Juli 2021

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)

10,3% peluang dieksploitasi; lebih tinggi dari 95,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562 patch · advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpuoct2021.html patch · advisory pihak ketiga
• https://github.com/krb5/krb5/releases release notes · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20211022-0003/ advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20211104-0007/ advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4944 advisory pihak ketiga
• https://web.mit.edu/kerberos/advisories/ not applicable