Improper Input Validation Affecting bind package, versions [,9.4.3)[9.5.0,9.5.2)[9.6.0,9.6.1)[9.7.0,9.7.0b3)


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
25.45% (97th percentile)

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  • Snyk IDSNYK-UNMANAGED-BIND-2381992
  • published26 Jan 2022
  • disclosed25 Nov 2009
  • creditUnknown

Introduced: 25 Nov 2009

CVE-2009-4022  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade bind to version 9.4.3, 9.5.2, 9.6.1, 9.7.0b3 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. Unspecified vulnerability in ISC BIND 9.0.x through 9.3.x, 9.4 before 9.4.3-P4, 9.5 before 9.5.2-P1, 9.6 before 9.6.1-P2, and 9.7 beta before 9.7.0b3, with DNSSEC validation enabled and checking disabled (CD), allows remote attackers to conduct DNS cache poisoning attacks by receiving a recursive client query and sending a response that contains an Additional section with crafted data, which is not properly handled when the response is processed "at the same time as requesting DNSSEC records (DO)," aka Bug 20438.

References

CVSS Scores

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