CVE-2023-31470

Published: Apr 28, 2023Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

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.

Affected (1)

Products: Pymumu: Smartdns

Pymumu

1 product

Smartdns

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Pymumu Smartdns	Up to 41

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04

Source: cve@mitre.org

Patch

https://github.com/pymumu/smartdns/issues/1378

Source: cve@mitre.org

Exploit

https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://github.com/pymumu/smartdns/issues/1378

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

Timeline

No history available yet.