Vulnerability Details CVE-2020-24340
An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The code that processes DNS responses in pico_mdns_handle_data_as_answers_generic() in pico_mdns.c does not check whether the number of answers/responses specified in a DNS packet header corresponds to the response data available in the packet, leading to an out-of-bounds read, invalid pointer dereference, and Denial-of-Service.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 64.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2020-24340
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cpe:2.3:a:altran:picotcp-ng:-
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cpe:2.3:a:altran:picotcp-ng:1.7.0
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cpe:2.3:a:altran:picotcp:1.0
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cpe:2.3:a:altran:picotcp:1.1
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cpe:2.3:a:altran:picotcp:1.2
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cpe:2.3:a:altran:picotcp:1.2.1
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cpe:2.3:a:altran:picotcp:1.2.2
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cpe:2.3:a:altran:picotcp:1.2.3
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cpe:2.3:a:altran:picotcp:1.2.4
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cpe:2.3:a:altran:picotcp:1.3.0
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cpe:2.3:a:altran:picotcp:1.4.0
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cpe:2.3:a:altran:picotcp:1.4.2
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cpe:2.3:a:altran:picotcp:1.5.0
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cpe:2.3:a:altran:picotcp:1.5.1
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cpe:2.3:a:altran:picotcp:1.6.0
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cpe:2.3:a:altran:picotcp:1.6.1
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cpe:2.3:a:altran:picotcp:1.6.2
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cpe:2.3:a:altran:picotcp:1.7.0