CVE-2020-24339

Published: Dec 11, 2020Modified: Nov 21, 2024

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (2)

Products: Altran: Picotcp, Picotcp Ng

2 products

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Altran Picotcp	Up to 1.7.0
Altran Picotcp Ng	Up to 1.7.0

Related CWEs

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (4)

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01

Source: cve@mitre.org

Third Party AdvisoryUS Government Resource

https://www.kb.cert.org/vuls/id/815128

Source: cve@mitre.org

Third Party AdvisoryUS Government Resource

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

https://www.kb.cert.org/vuls/id/815128

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

Timeline

No history available yet.