CVE-2023-2829

Summary

A named instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (synth-from-dnssec) enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.

Affected Software

Weaknesses

Workarounds

Setting synth-from-dnssec to no prevents the problem.

ADP Enrichment

CVE Program Container

Additional References

• https://kb.isc.org/docs/cve-2023-2829
• https://security.netapp.com/advisory/ntap-20230703-0010/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://kb.isc.org/docs/cve-2023-2829
• https://security.netapp.com/advisory/ntap-20230703-0010/

• ←Previous
• Next→