CVE-2020-8622 (GCVE-0-2020-8622)

Vulnerability from cvelistv5 – Published: 2020-08-21 20:50 – Updated: 2024-09-16 17:14
VLAI?
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.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • Attempting to verify a truncated response to a TSIG-signed request leads to an assertion failure. Affects 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
Assigner
isc
References
Impacted products
Vendor Product Version
ISC BIND9 Affected: 9.0.0 , < unspecified (custom)
Affected: unspecified , < 9.11.22 (custom)
Affected: 9.12.0 , < unspecified (custom)
Affected: unspecified , < 9.16.6 (custom)
Affected: 9.17.0 , < unspecified (custom)
Affected: unspecified , < 9.17.4 (custom)
Affected: 9.9.3-S1 , < Supported Preview* (custom)
Create a notification for this product.
Credits
ISC would like to thank Dave Feldman, Jeff Warren, and Joel Cunningham of Oracle for bringing this vulnerability to our attention.
Show details on NVD website
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      "id": "CVE-2020-8622",
      "lastModified": "2024-11-21T05:39:08.607",
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  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.