CVE-2023-31470

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04	Patch
https://github.com/pymumu/smartdns/issues/1378	Exploit
https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04	Patch
https://github.com/pymumu/smartdns/issues/1378	Exploit

Configurations

Configuration 1 (hide)

cpe:2.3:a:pymumu:smartdns:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-04-28 21:15

Updated : 2025-01-31 16:15

NVD link : CVE-2023-31470

Mitre link : CVE-2023-31470

CVE.ORG link : CVE-2023-31470

JSON object : View

Products Affected

pymumu

smartdns

CWE

CWE-787

Out-of-bounds Write

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