CVE-2020-24388

Katalog CVE

CVSS 7.5 · High EPSS 1,8%

Kerentanan Improper Input Validation pada yubico yubihsm-shell, fedoraproject fedora. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered in the _send_secure_msg() function of yubihsm-shell through 2.0.2. The function does not validate the embedded length field of a message received from the device. This could lead to an oversized memcpy() call that will crash the running process. This could be used by an attacker to cause a denial of service.

Rincian

Terbit di NVD

19 Oktober 2020

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-20: Improper Input Validation
CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,8% peluang dieksploitasi; lebih tinggi dari 77,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://developers.yubico.com/yubihsm-shell/ advisory vendor
• https://www.yubico.com/support/security-advisories/ysa-2020-06/ advisory vendor
• https://blog.inhq.net/posts/yubico-libyubihsm-vuln/ exploit · advisory pihak ketiga
• https://github.com/Yubico/yubihsm-shell advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y77KQJW76M3PF...