Unrated severityNVD Advisory· Published Dec 11, 2020· Updated Aug 4, 2024
CVE-2020-24339
CVE-2020-24339
Description
An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The DNS domain name record decompression functionality in pico_dns_decompress_name() in pico_dns_common.c does not validate the compression pointer offset values with respect to the actual data present in a DNS response packet, causing out-of-bounds reads that lead to Denial-of-Service.
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Affected products
3- picoTCP and picoTCP-NG/picoTCP and picoTCP-NGdescription
- Range: <=1.7.0
Patches
Vulnerability mechanics
References
2- us-cert.cisa.gov/ics/advisories/icsa-20-343-01mitrex_refsource_MISC
- www.kb.cert.org/vuls/id/815128mitrex_refsource_MISC
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