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veracodeVeracode Vulnerability DatabaseVERACODE:23950
HistoryApr 10, 2020 - 12:41 a.m.

Cache Poisoning Attack

2020-04-1000:41:37
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
5

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.013 Low

EPSS

Percentile

85.7%

bind is vulnerable to cache poisoning attacks. The vulnerability exists as a flaw was found in the BIND DNSSEC NSEC/NSEC3 validation code. If BIND was running as a DNSSEC-validating resolver, it could incorrectly cache NXDOMAIN responses, as if they were valid, for records proven by NSEC or NSEC3 to exist. A remote attacker could use this flaw to cause a BIND server to return the bogus, cached NXDOMAIN responses for valid records and prevent users from retrieving those records (denial of service).

References

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.013 Low

EPSS

Percentile

85.7%