VDB-175267 · CVE-2020-21815 · GCVE-0-2020-21815

GNU LibreDWG 0.10.2641 programs/dwg2SVG.c output_TEXT null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in GNU LibreDWG 0.10.2641. This issue affects the function output_TEXT of the file programs/dwg2SVG.c. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2020-21815. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in GNU LibreDWG 0.10.2641 (Image Processing Software). Affected by this vulnerability is the function output_TEXT of the file programs/dwg2SVG.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability.

The weakness was disclosed 05/18/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2020-21815. Technical details of the vulnerability are known, but there is no available exploit.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Image Processing Software

Vendor

Name

LibreDWG

Version

0.10.2641

License

open-source

Website

Vendor: https://www.gnu.org/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
05/18/2021 +278 days 🔍
05/18/2021 +0 days 🔍
05/22/2021 +4 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-21815 (🔍)
GCVE (CVE): GCVE-0-2020-21815
GCVE (VulDB): GCVE-100-175267

Entryinfo

Created: 05/18/2021 08:07
Updated: 05/22/2021 06:44
Changes: 05/18/2021 08:07 (38), 05/22/2021 06:44 (2)
Complete: 🔍
Cache ID: 216::103