905267 – (CVE-2023-31470) <net-dns/smartdns-42: stack buffer overflow via crafted DNS request

Bug 905267 (CVE-2023-31470) - <net-dns/smartdns-42: stack buffer overflow via crafted DNS request

Summary: <net-dns/smartdns-42: stack buffer overflow via crafted DNS request

Status:	RESOLVED FIXED

Alias:	CVE-2023-31470

Product:	Gentoo Security
Classification:	Unclassified
Component:	Vulnerabilities (show other bugs)
Hardware:	All Linux

Importance:	Normal trivial
Assignee:	Gentoo Security

URL:	https://github.com/pymumu/smartdns/is...
Whiteboard:	~3 [noglsa]
Keywords:

Depends on:
Blocks:

Reported:	2023-04-29 04:22 UTC by John Helmert III
Modified:	2024-02-10 06:00 UTC (History)
CC List:	2 users (show)

See Also:
Package list:
Runtime testing required:	---

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Description John Helmert III archtester

2023-04-29 04:22:53 UTC

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.

Patch (seems unreleased): https://github.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04