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Vulnerable Software

Vulnerability Details CVE-2017-11104

Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if no additional ACL restrictions are set, because of an improper TSIG validity period check.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.026

EPSS Ranking 84.9%

CVSS Severity

CVSS v3 Score 5.9

CVSS v2 Score 4.3

References

Products affected by CVE-2017-11104

Knot-Dns » Knot Dns » Version: 2.1.1

cpe:2.3:a:knot-dns:knot_dns:2.1.1
Knot-Dns » Knot Dns » Version: 2.2.0

cpe:2.3:a:knot-dns:knot_dns:2.2.0
Knot-Dns » Knot Dns » Version: 2.2.1

cpe:2.3:a:knot-dns:knot_dns:2.2.1
Knot-Dns » Knot Dns » Version: 2.3.0

cpe:2.3:a:knot-dns:knot_dns:2.3.0
Knot-Dns » Knot Dns » Version: 2.3.1

cpe:2.3:a:knot-dns:knot_dns:2.3.1
Knot-Dns » Knot Dns » Version: 2.3.2

cpe:2.3:a:knot-dns:knot_dns:2.3.2
Knot-Dns » Knot Dns » Version: 2.3.3

cpe:2.3:a:knot-dns:knot_dns:2.3.3
Knot-Dns » Knot Dns » Version: 2.4.0

cpe:2.3:a:knot-dns:knot_dns:2.4.0
Knot-Dns » Knot Dns » Version: 2.4.1

cpe:2.3:a:knot-dns:knot_dns:2.4.1
Knot-Dns » Knot Dns » Version: 2.4.2

cpe:2.3:a:knot-dns:knot_dns:2.4.2
Knot-Dns » Knot Dns » Version: 2.4.3

cpe:2.3:a:knot-dns:knot_dns:2.4.3
Knot-Dns » Knot Dns » Version: 2.4.4

cpe:2.3:a:knot-dns:knot_dns:2.4.4
Knot-Dns » Knot Dns » Version: 2.5.0

cpe:2.3:a:knot-dns:knot_dns:2.5.0
Knot-Dns » Knot Dns » Version: 2.5.1

cpe:2.3:a:knot-dns:knot_dns:2.5.1
Debian » Debian Linux » Version: 10.0

cpe:2.3:o:debian:debian_linux:10.0
Debian » Debian Linux » Version: 8.0

cpe:2.3:o:debian:debian_linux:8.0
Debian » Debian Linux » Version: 9.0

cpe:2.3:o:debian:debian_linux:9.0

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Vulnerability Details CVE-2017-11104

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