SB2021111917 - Multiple vulnerabilities in LibreCAD

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2021111917

SB2021111917 - Multiple vulnerabilities in LibreCAD

Published: November 19, 2021 Updated: December 19, 2022

Security Bulletin ID SB2021111917
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 67% Medium 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2021-45343)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the HATCH handling of libdxfrw. A remote attacker can trick the victim into opening a specially crafted DXF document and perform a denial of service (DoS) attack.


2) Buffer overflow (CVE-ID: CVE-2021-45342)

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to a boundary error in the CDataList of the jwwlib component. A remote attacker can trick the victim into opening a specially crafted JWW document, trigger heap buffer overflow, and execute arbitrary code on the target system.


3) Buffer overflow (CVE-ID: CVE-2021-45341)

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to a boundary error in the CDataMoji of the jwwlib component. A remote attacker can trick the victim into opening a specially crafted JWW document, trigger heap buffer overflow, and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References