CVE-2020-8618

Description

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.

CVSS Metrics

• v3.1•MEDIUM•Score: 4.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
• v2.0•MEDIUM•Score: 4AV:N/AC:L/Au:S/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 1.30%• Percentile: 80%

Techniques & Countermeasures

• CWE-617•Reachable Assertion

  The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

Affected Systems

• canonical•ubuntu_linux

  20.04

• isc•bind

  ≥ 9.16.0, ≤ 9.16.3

• isc•bind9

  9.16.0 -> 9.16.3

• netapp•steelstore_cloud_integrated_storage

  na

• opensuse•leap

  15.1 | 15.2

References (5)

• https://kb.isc.org/docs/cve-2020-8618
• https://security.netapp.com/advisory/ntap-20200625-0003/
• https://usn.ubuntu.com/4399-1/
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html