CVE-2020-7457

Katalog CVE

CVSS 8.1 · High EPSS 33,1%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada freebsd. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.

Rincian

Terbit di NVD

9 Juli 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416: Use After Free
CWE-662: Improper Synchronization

EPSS (30 hari)

33,1% peluang dieksploitasi; lebih tinggi dari 98,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc patch · advisory vendor
• http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html exploit · advisory pihak ketiga · vdb entry
• https://security.netapp.com/advisory/ntap-20200724-0002/ advisory pihak ketiga