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CVE-2020-24338

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/11/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

altran:picotcp

Weaknesses (CWE)

CWE-787

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01(cve@mitre.org)

https://www.kb.cert.org/vuls/id/815128(cve@mitre.org)

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01(af854a3a-2127-422b-91ae-364da2661108)

https://www.kb.cert.org/vuls/id/815128(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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