An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
https://kb.isc.org/docs/cve-2020-8618
Source: MITRE
Published: 2020-06-17
Updated: 2020-10-20
Type: CWE-617
Base Score: 4
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8
Severity: MEDIUM
Base Score: 4.9
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.2
Severity: MEDIUM
OR
cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* versions from 9.16.0 to 9.16.3 (inclusive)
ID | Name | Product | Family | Severity |
---|---|---|---|---|
143842 | SUSE SLED15 / SLES15 Security Update : bind (SUSE-SU-2020:2914-1) | Nessus | SuSE Local Security Checks | medium |
141839 | openSUSE Security Update : bind (openSUSE-2020-1701) | Nessus | SuSE Local Security Checks | medium |
141560 | openSUSE Security Update : bind (openSUSE-2020-1699) | Nessus | SuSE Local Security Checks | medium |
139047 | Photon OS 1.0: Bindutils PHSA-2020-1.0-0309 | Nessus | PhotonOS Local Security Checks | medium |
138817 | Photon OS 3.0: Bindutils PHSA-2020-3.0-0115 | Nessus | PhotonOS Local Security Checks | medium |
138815 | Photon OS 2.0: Bindutils PHSA-2020-2.0-0263 | Nessus | PhotonOS Local Security Checks | medium |
137838 | ISC BIND 9.16.x < 9.16.4 DoS | Nessus | DNS | medium |
137690 | FreeBSD : BIND -- Remote Denial of Service vulnerability (75d72e03-b137-11ea-8659-901b0ef719ab) | Nessus | FreeBSD Local Security Checks | medium |
137625 | Ubuntu 20.04 : Bind vulnerabilities (USN-4399-1) | Nessus | Ubuntu Local Security Checks | medium |