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CVE-2020-8622

A truncated TSIG response can lead to an assertion failure PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
ISC / BIND9affected 9.0.0 before unspecified; affected unspecified before 9.11.22; affected 9.12.0 before unspecified; affected unspecified before 9.16.6; affected 9.17.0 before unspecified; affected unspecified before 9.17.4; affected 9.9.3-S1 before Supported Preview*

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.