picoTCP up to 1.7.0 Domain Name Decompression pico_dns_common.c pico_dns_decompress_name out-of-bounds write

Summaryinfo

A vulnerability has been found in picoTCP up to 1.7.0 and classified as critical. Affected is the function pico_dns_decompress_name of the file pico_dns_common.c of the component Domain Name Decompression Handler. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2020-24338. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in picoTCP up to 1.7.0 and classified as critical. Affected by this vulnerability is the function pico_dns_decompress_name of the file pico_dns_common.c of the component Domain Name Decompression Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 12/12/2020 as icsa-20-343-01. It is possible to read the advisory at us-cert.cisa.gov. This vulnerability is known as CVE-2020-24338. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

• picoTCP

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7.0

CPE 2.3info

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CPE 2.2info

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