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veracodeVeracode Vulnerability DatabaseVERACODE:23951
HistoryApr 10, 2020 - 12:41 a.m.

Cache Poisoning Attack

2020-04-1000:41:38
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
12

0.013 Low

EPSS

Percentile

85.8%

bind is vulnerable to cache poisoning attack. The vulnerability exists as the original fix for CVE-2009-4022 was found to be incomplete. BIND was incorrectly caching certain responses without performing proper DNSSEC validation. CNAME and DNAME records could be cached, without proper DNSSEC validation, when received from processing recursive client queries that requested DNSSEC records but indicated that checking should be disabled. A remote attacker could use this flaw to bypass the DNSSEC validation check and perform a cache poisoning attack if the target BIND server was receiving such client queries.

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