CVE-2023-31470

critical

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.

References

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

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

Details

Source: Mitre, NVD

Published: 2023-04-28

Updated: 2023-05-08

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H