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VULNERABILITIES

CVE-2020-24338 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 CVEThird Party AdvisoryUS Government Resource
https://www.kb.cert.org/vuls/id/815128 CVEThird Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 [email protected]Third Party AdvisoryUS Government Resource
https://www.kb.cert.org/vuls/id/815128 [email protected]Third Party AdvisoryUS Government Resource

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
altran picotcp
<= 1.7.0

CPE

  • cpe:2.3:a:altran:picotcp:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-24338
NVD Published Date:
Dec 11, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-24338 Details - Not Deferred