CVE-2020-17470

Katalog CVE

CVSS 5.3 · Medium EPSS 2,1%

Kerentanan Use of Insufficiently Random Values pada butok fnet. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

An issue was discovered in FNET through 4.6.4. The code that initializes the DNS client interface structure does not set sufficiently random transaction IDs (they are always set to 1 in _fnet_dns_poll in fnet_dns.c). This significantly simplifies DNS cache poisoning attacks.

Rincian

Terbit di NVD

11 Desember 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-330: Use of Insufficiently Random Values

EPSS (30 hari)

2,1% peluang dieksploitasi; lebih tinggi dari 81,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 advisory pihak ketiga · pemerintah AS
• https://www.kb.cert.org/vuls/id/815128 advisory pihak ketiga · pemerintah AS
• http://fnet.sourceforge.net/manual/fnet_history.html release notes · advisory pihak ketiga