CVE-2020-8622

Katalog CVE

CVSS 6.5 · Medium EPSS 5,6%

Kerentanan Reachable Assertion pada isc bind, fedoraproject fedora +6 lainnya. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, could send a truncated response to that request, triggering an assertion failure, causing the server to exit. Alternately, an off-path attacker would have to correctly guess when a TSIG-signed request was sent, along with other characteristics of the packet and message, and spoof a truncated response to trigger an assertion failure, causing the server to exit.

Rincian

Terbit di NVD

21 Agustus 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-617: Reachable Assertion

EPSS (30 hari)

5,6% peluang dieksploitasi; lebih tinggi dari 92,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://kb.isc.org/docs/cve-2020-8622 advisory vendor
• https://www.oracle.com/security-alerts/cpuoct2021.html patch · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html mailing list · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202008-19 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20200827-0003/ advisory pihak ketiga
• https://usn.ubuntu.com/4468-1/ advisory pihak ketiga
• https://usn.ubuntu.com/4468-2/ advisory pihak ketiga
• https://www.debian.org/security/2020/dsa-4752 advisory pihak ketiga
• https://www.synology.com/security/advisory/Synology_SA_20_19 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5A...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S...