CVE-2020-8623

Summary

In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with "–enable-native-pkcs11" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker

Affected Software

VendorProductVersion RangeStatus
ISCBIND99.10.0 < unspecifiedaffected
ISCBIND9unspecified < 9.11.22affected
ISCBIND99.12.0 < unspecifiedaffected
ISCBIND9unspecified < 9.16.6affected
ISCBIND99.17.0 < unspecifiedaffected
ISCBIND9unspecified < 9.17.4affected
ISCBIND99.10.5-S1 < Supported Preview*affected

Weaknesses

  • If BIND is built with "–enable-native-pkcs11" then a specially crafted query for a zone signed with RSA can trigger an assertion failure. Affects BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition

Workarounds

No workarounds known.

ADP Enrichment

CVE Program Container

Additional References

References