CVE-2019-20427

Katalog CVE

CVSS 9.8 · Critical EPSS 5,1%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada lustre. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

In the Lustre file system before 2.12.3, the ptlrpc module has a buffer overflow and panic, and possibly remote code execution, due to the lack of validation for specific fields of packets sent by a client. Interaction between req_capsule_get_size and tgt_brw_write leads to a tgt_shortio2pages integer signedness error.

Rincian

Terbit di NVD

27 Januari 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

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

EPSS (30 hari)

5,1% peluang dieksploitasi; lebih tinggi dari 92,1% 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-12600 exploit · issue tracking · advisory pihak ketiga
• https://review.whamcloud.com/#/c/35867/ exploit · advisory pihak ketiga