CVE-2019-20423

Katalog CVE

CVSS 7.5 · High EPSS 2,4%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada lustre. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

In the Lustre file system before 2.12.3, the ptlrpc module has a buffer overflow and panic due to the lack of validation for specific fields of packets sent by a client. The function target_handle_connect() mishandles a certain size value when a client connects to a server, because of an integer signedness error.

Rincian

Terbit di NVD

27 Januari 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

2,4% peluang dieksploitasi; lebih tinggi dari 83,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• http://lustre.org/ product · advisory vendor
• http://wiki.lustre.org/Lustre_2.12.3_Changelog release notes · advisory vendor
• https://jira.whamcloud.com/browse/LU-12605 exploit · advisory pihak ketiga
• https://review.whamcloud.com/#/c/35935/ advisory pihak ketiga