LibreCad 2.2.0 DXF Document null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in LibreCad 2.2.0. This affects an unknown function of the component DXF Document Handler. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2021-45343. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in LibreCad 2.2.0. It has been rated as problematic. This issue affects an unknown code of the component DXF Document Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was presented 01/25/2022 as 1468. The advisory is shared at github.com. The identification of this vulnerability is CVE-2021-45343 since 12/20/2021. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 258007 (Linux Distros Unpatched Vulnerability : CVE-2021-45343), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (258007). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 258007
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-45343

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/20/2021 🔍
01/25/2022 +36 days 🔍
01/25/2022 +0 days 🔍
08/28/2025 +1311 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1468
Status: Confirmed

CVE: CVE-2021-45343 (🔍)
GCVE (CVE): GCVE-0-2021-45343
GCVE (VulDB): GCVE-100-191573

Entryinfo

Created: 01/25/2022 17:35
Updated: 08/28/2025 13:55
Changes: 01/25/2022 17:35 (37), 01/28/2022 12:27 (1), 08/28/2025 13:55 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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