Vulnerability Details CVE-2023-26249
Knot Resolver before 5.6.0 enables attackers to consume its resources, launching amplification attacks and potentially causing a denial of service. Specifically, a single client query may lead to a hundred TCP connection attempts if a DNS server closes connections without providing a response.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 44.6%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2023-26249
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cpe:2.3:a:nic:knot_resolver:-
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cpe:2.3:a:nic:knot_resolver:1.0.0
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cpe:2.3:a:nic:knot_resolver:1.1.0
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cpe:2.3:a:nic:knot_resolver:1.1.1
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cpe:2.3:a:nic:knot_resolver:1.2.0
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cpe:2.3:a:nic:knot_resolver:1.2.1
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cpe:2.3:a:nic:knot_resolver:1.2.2
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cpe:2.3:a:nic:knot_resolver:1.2.3
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cpe:2.3:a:nic:knot_resolver:1.2.4
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cpe:2.3:a:nic:knot_resolver:1.2.5
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cpe:2.3:a:nic:knot_resolver:1.2.6
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cpe:2.3:a:nic:knot_resolver:1.3.0
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cpe:2.3:a:nic:knot_resolver:1.3.1
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cpe:2.3:a:nic:knot_resolver:1.3.2
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cpe:2.3:a:nic:knot_resolver:1.3.3
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cpe:2.3:a:nic:knot_resolver:1.4.0
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cpe:2.3:a:nic:knot_resolver:1.5.0
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cpe:2.3:a:nic:knot_resolver:1.5.1
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cpe:2.3:a:nic:knot_resolver:1.5.2
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cpe:2.3:a:nic:knot_resolver:1.5.3
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cpe:2.3:a:nic:knot_resolver:1.99.1
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cpe:2.3:a:nic:knot_resolver:2.0.0
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cpe:2.3:a:nic:knot_resolver:2.1.0
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cpe:2.3:a:nic:knot_resolver:2.1.1
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cpe:2.3:a:nic:knot_resolver:2.2.0
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cpe:2.3:a:nic:knot_resolver:2.3.0
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cpe:2.3:a:nic:knot_resolver:2.4.0
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cpe:2.3:a:nic:knot_resolver:2.4.1
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cpe:2.3:a:nic:knot_resolver:3.0.0
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cpe:2.3:a:nic:knot_resolver:3.1.0
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cpe:2.3:a:nic:knot_resolver:3.2.0
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cpe:2.3:a:nic:knot_resolver:3.2.1
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cpe:2.3:a:nic:knot_resolver:4.0.0
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cpe:2.3:a:nic:knot_resolver:4.1.0
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cpe:2.3:a:nic:knot_resolver:4.2.0
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cpe:2.3:a:nic:knot_resolver:4.2.1
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cpe:2.3:a:nic:knot_resolver:4.2.2
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cpe:2.3:a:nic:knot_resolver:4.3.0
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cpe:2.3:a:nic:knot_resolver:5.0.0
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cpe:2.3:a:nic:knot_resolver:5.0.1
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cpe:2.3:a:nic:knot_resolver:5.1.1
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cpe:2.3:a:nic:knot_resolver:5.5.1