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Security Advisories: GSA_kwCzR0hTQS1ndjlqLTR3MjQtcTd2eM0vfQ

Improper random number generation in github.com/coredns/coredns

Impact

CoreDNS before 1.6.6 (using go DNS package < 1.1.25) improperly generates random numbers because math/rand is used. The TXID becomes predictable, leading to response forgeries.

Patches

The problem has been fixed in 1.6.6+.

References

For more information

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Permalink: https://github.com/advisories/GHSA-gv9j-4w24-q7vx
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1ndjlqLTR3MjQtcTd2eM0vfQ
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 2 years ago
Updated: almost 2 years ago


Identifiers: GHSA-gv9j-4w24-q7vx
References: Repository: https://github.com/coredns/coredns
Blast Radius: 0.0

Affected Packages

go:github.com/coredns/coredns
Dependent packages: 4,631
Dependent repositories: 1,324
Downloads:
Affected Version Ranges: < 1.6.6
Fixed in: 1.6.6
All affected versions: 0.9.9, 0.9.10, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.2.6, 1.3.0, 1.3.1, 1.4.0, 1.5.0, 1.5.1, 1.5.2, 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5
All unaffected versions: 1.6.6, 1.6.7, 1.6.8, 1.6.9, 1.7.0, 1.7.1, 1.8.0, 1.8.1, 1.8.2, 1.8.3, 1.8.4, 1.8.5, 1.8.6, 1.8.7, 1.9.0, 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.10.0, 1.10.1, 1.11.0, 1.11.1, 1.11.2, 1.11.3, 1.11.4