CVE-2021-44847: Buffer Overflow

First published: Mon Dec 13 2021(Updated: )

A stack-based buffer overflow in handle_request function in DHT.c in toxcore 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12 (caused by an improper length calculation during the handling of received network packets) allows remote attackers to crash the process or potentially execute arbitrary code via a network packet.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Toktok Toxcore	>=0.1.9<=0.1.11
Toktok Toxcore	>=0.2.0<=0.2.12
Fedoraproject Fedora	=34
Fedoraproject Fedora	=35
	>=0.1.9<=0.1.11
	>=0.2.0<=0.2.12
	=34
	=35

Remedy

https://github.com/TokTok/c-toxcore/pull/1718

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