CVE-2021-30184

Katalog CVE

CVSS 7.8 · High EPSS 1,8%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada gnu chess, fedoraproject fedora. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game Notation) data. This is related to a buffer overflow in the use of a .tmp.epd temporary file in the cmd_pgnload and cmd_pgnreplay functions in frontend/cmd.cc.

Rincian

Terbit di NVD

7 April 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.8 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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)

1,8% peluang dieksploitasi; lebih tinggi dari 77,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.html exploit · mailing list · patch · advisory vendor
• https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.html exploit · mailing list · advisory vendor
• https://security.gentoo.org/glsa/202107-28 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QC74RWMDLSQGV...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOGPLC77ZL2FA...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXOTMUSBVUZNA...
• https://lists.debian.org/debian-lts-announce/2025/01/msg00007.html