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:

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 GA qtox-1.17.4-1.1

SUSE Timeline for this CVE

CVE page created: Mon Dec 13 11:00:11 2021
CVE page last modified: Tue Aug 8 19:57:15 2023