A stack-based buffer overflow in handle_request function... · CVE-2021-44847 · GitHub Advisory Database · GitHub

A stack-based buffer overflow in handle_request function...

Critical severity Unreviewed Published Dec 14, 2021 to the GitHub Advisory Database • Updated Aug 8, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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.

References

Published by the National Vulnerability Database

Dec 13, 2021

Published to the GitHub Advisory Database Dec 14, 2021

Last updated Aug 8, 2023

Severity

Critical

9.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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