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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2355-1 | bind9 security update |
Debian DSA |
DSA-4752-1 | bind9 security update |
EUVD |
EUVD-2020-29470 | 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. |
Ubuntu USN |
USN-4468-1 | Bind vulnerabilities |
Ubuntu USN |
USN-4468-2 | Bind vulnerability |
Fixes
Solution
Upgrade to the patched release most closely related to your current version of BIND: BIND 9.11.22 BIND 9.16.6 BIND 9.17.4 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. BIND 9.11.22-S1
Workaround
No workarounds known.
References
History
No history.
Status: PUBLISHED
Assigner: isc
Published:
Updated: 2024-09-16T17:14:14.760Z
Reserved: 2020-02-05T00:00:00
Link: CVE-2020-8622
No data.
Status : Modified
Published: 2020-08-21T21:15:12.247
Modified: 2024-11-21T05:39:08.607
Link: CVE-2020-8622
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN