An issue was discovered in picoTCP 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 writes that lead to Denial-of-Service and Remote Code Execution.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-12-11T22:45:04

Updated: 2024-08-04T15:12:08.353Z

Reserved: 2020-08-13T00:00:00

Link: CVE-2020-24338

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-12-11T23:15:13.980

Modified: 2020-12-14T21:40:17.187

Link: CVE-2020-24338

cve-icon Redhat

No data.