CWE
787 119
Advisory Published
Updated

CVE-2023-31470: Buffer Overflow

First published: Fri Apr 28 2023(Updated: )

SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
SmartDNS<=41
pymumu smartdns<=41

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Frequently Asked Questions

  • What is the severity of CVE-2023-31470?

    CVE-2023-31470 has been classified with a high severity due to the potential for remote exploitation via crafted DNS requests.

  • How do I fix CVE-2023-31470?

    To fix CVE-2023-31470, upgrade SmartDNS to version 56d0332 or later, which addresses the buffer overflow vulnerability.

  • What types of software are affected by CVE-2023-31470?

    CVE-2023-31470 affects versions of SmartDNS up to 41, including both the SmartDNS Project and pymumu's SmartDNS variants.

  • What is the impact of CVE-2023-31470?

    The impact of CVE-2023-31470 includes potential unauthorized access and system compromise due to the out-of-bounds write caused by buffer overflow.

  • Is CVE-2023-31470 under active exploitation?

    There is no specific information indicating that CVE-2023-31470 is currently under active exploitation as of the last reports.

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