CVE-2021-44847 Common Vulnerabilities and Exposures

Upstream information

CVE-2021-44847 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores
	National Vulnerability Database
Base Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

CVSS v3 Scores
	National Vulnerability Database
Base Score	9.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1193667 [RESOLVED / FIXED]

SUSE Security Advisories:

openSUSE-SU-2021:1640-1, published Thu Dec 30 21:47:28 2021

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP1	`c-toxcore >= 0.2.13-bp151.3.3.1` `c-toxcore-daemon >= 0.2.13-bp151.3.3.1` `c-toxcore-devel >= 0.2.13-bp151.3.3.1` `libtoxcore2 >= 0.2.13-bp151.3.3.1`	Patchnames: openSUSE-2021-1640
SUSE Package Hub 15 SP2	`c-toxcore >= 0.2.13-bp152.4.3.1` `c-toxcore-daemon >= 0.2.13-bp152.4.3.1` `c-toxcore-devel >= 0.2.13-bp152.4.3.1` `libtoxcore2 >= 0.2.13-bp152.4.3.1`	Patchnames: openSUSE-2021-1640
SUSE Package Hub 15 SP3	`c-toxcore >= 0.2.13-bp153.2.3.1` `c-toxcore-daemon >= 0.2.13-bp153.2.3.1` `c-toxcore-devel >= 0.2.13-bp153.2.3.1` `libtoxcore2 >= 0.2.13-bp153.2.3.1`	Patchnames: openSUSE-2021-1640
openSUSE Leap 15.2	`c-toxcore >= 0.2.13-lp152.3.3.1` `c-toxcore-daemon >= 0.2.13-lp152.3.3.1` `c-toxcore-devel >= 0.2.13-lp152.3.3.1` `libtoxcore2 >= 0.2.13-lp152.3.3.1`	Patchnames: openSUSE-2021-1640
openSUSE Leap 15.3	`c-toxcore >= 0.2.13-bp153.2.3.1` `c-toxcore-daemon >= 0.2.13-bp153.2.3.1` `c-toxcore-devel >= 0.2.13-bp153.2.3.1` `libtoxcore2 >= 0.2.13-bp153.2.3.1`	Patchnames: openSUSE-2021-1640
openSUSE Tumbleweed	`qtox >= 1.17.4-1.1`	Patchnames: openSUSE-Tumbleweed-2024-11846

SUSE Timeline for this CVE

CVE page created: Mon Dec 13 11:00:11 2021
CVE page last modified: Tue Sep 3 19:21:32 2024