Vulnerabilities > CVE-2020-8622 - Reachable Assertion vulnerability in multiple products

047910
CVSS 6.5 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH

Summary

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.

Vulnerable Configurations

Part Description Count
Application
Isc
1353
Application
Netapp
1
Application
Synology
45
Application
Oracle
12
OS
Fedoraproject
2
OS
Debian
2
OS
Canonical
5
OS
Opensuse
2

Common Weakness Enumeration (CWE)

References