CVE-2023-31470

Published Apr 28, 2023 CVSS 3.1 · 9.8 Critical EPSS 1.1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-35775 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00243}

epss

{'score': 0.00221}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Pymumu
Pymumu smartdns
CPEs cpe:2.3:a:smartdns_project:smartdns:*:*:*:*:*:*:*:* cpe:2.3:a:pymumu:smartdns:*:*:*:*:*:*:*:*
Vendors & Products Smartdns Project
Smartdns Project smartdns
Pymumu
Pymumu smartdns
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jan 31, 2025, 3:58 PM
Reserved
Apr 28, 2023, 12:00 AM
Status
Modified
Published
Apr 28, 2023, 9:15 PM
Modified
Jun 17, 2026, 5:57 AM