CVE-2020-24338

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductAltran Picotcp
PublishedDec 11, 2020
First seenDec 11, 2020

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
altran picotcpv ≤ 1.7.0—

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