Vulnerability Details CVE-2023-3341
The code that processes control channel messages sent to `named` calls certain functions recursively during packet parsing. Recursion depth is only limited by the maximum accepted packet size; depending on the environment, this may cause the packet-parsing code to run out of available stack memory, causing `named` to terminate unexpectedly. Since each incoming control channel message is fully parsed before its contents are authenticated, exploiting this flaw does not require the attacker to hold a valid RNDC key; only network access to the control channel's configured TCP port is necessary.
This issue affects BIND 9 versions 9.2.0 through 9.16.43, 9.18.0 through 9.18.18, 9.19.0 through 9.19.16, 9.9.3-S1 through 9.16.43-S1, and 9.18.0-S1 through 9.18.18-S1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 37.9%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2023-3341
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cpe:2.3:a:isc:bind:9.10.5
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cpe:2.3:a:isc:bind:9.10.7
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cpe:2.3:a:isc:bind:9.11.12
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cpe:2.3:a:isc:bind:9.11.21
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cpe:2.3:a:isc:bind:9.11.27
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cpe:2.3:a:isc:bind:9.11.29
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cpe:2.3:a:isc:bind:9.11.3
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cpe:2.3:a:isc:bind:9.11.31
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cpe:2.3:a:isc:bind:9.11.35
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cpe:2.3:a:isc:bind:9.11.36
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cpe:2.3:a:isc:bind:9.11.37
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cpe:2.3:a:isc:bind:9.11.4
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cpe:2.3:a:isc:bind:9.11.5
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cpe:2.3:a:isc:bind:9.11.6
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cpe:2.3:a:isc:bind:9.11.7
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cpe:2.3:a:isc:bind:9.11.8
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cpe:2.3:a:isc:bind:9.12.0
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cpe:2.3:a:isc:bind:9.16.0
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cpe:2.3:a:isc:bind:9.16.11
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cpe:2.3:a:isc:bind:9.16.12
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cpe:2.3:a:isc:bind:9.16.13
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cpe:2.3:a:isc:bind:9.16.14
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cpe:2.3:a:isc:bind:9.16.15
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cpe:2.3:a:isc:bind:9.16.19
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cpe:2.3:a:isc:bind:9.16.21
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cpe:2.3:a:isc:bind:9.16.22
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cpe:2.3:a:isc:bind:9.16.32
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cpe:2.3:a:isc:bind:9.16.36
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cpe:2.3:a:isc:bind:9.16.37
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cpe:2.3:a:isc:bind:9.16.43
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cpe:2.3:a:isc:bind:9.16.8
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cpe:2.3:a:isc:bind:9.18.0
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cpe:2.3:a:isc:bind:9.18.1
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cpe:2.3:a:isc:bind:9.18.10
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cpe:2.3:a:isc:bind:9.18.11
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cpe:2.3:a:isc:bind:9.18.18
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cpe:2.3:a:isc:bind:9.18.2
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cpe:2.3:a:isc:bind:9.18.3
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cpe:2.3:a:isc:bind:9.18.4
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cpe:2.3:a:isc:bind:9.18.5
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cpe:2.3:a:isc:bind:9.18.6
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cpe:2.3:a:isc:bind:9.18.7
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cpe:2.3:a:isc:bind:9.18.8
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cpe:2.3:a:isc:bind:9.19.0
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cpe:2.3:a:isc:bind:9.19.1
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cpe:2.3:a:isc:bind:9.19.16
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cpe:2.3:a:isc:bind:9.19.2
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cpe:2.3:a:isc:bind:9.19.3
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cpe:2.3:a:isc:bind:9.19.4
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cpe:2.3:a:isc:bind:9.19.5
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cpe:2.3:a:isc:bind:9.19.6
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cpe:2.3:a:isc:bind:9.19.8
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cpe:2.3:a:isc:bind:9.19.9
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cpe:2.3:a:isc:bind:9.9.12
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cpe:2.3:a:isc:bind:9.9.13
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:11.0
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cpe:2.3:o:fedoraproject:fedora:37
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cpe:2.3:o:fedoraproject:fedora:38