VDB-131724 · CVE-2019-9772 · ID 99

GNU LibreDWG 0.7/0.7.1645 dwg_dxf_LEADER 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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in GNU LibreDWG 0.7/0.7.1645. Affected is the function dwg_dxf_LEADER. The manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2019-9772. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in GNU LibreDWG 0.7/0.7.1645 (Image Processing Software). Affected is the function dwg_dxf_LEADER. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function dwg_dxf_LEADER at dwg.spec.

The bug was discovered 03/12/2019. The weakness was shared 03/14/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2019-9772 since 03/14/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-131730, VDB-131723, VDB-131725 and VDB-131726 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Image Processing Software

Vendor

Name

LibreDWG

Version

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: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/12/2019 🔍
03/14/2019 +2 days 🔍
03/14/2019 +0 days 🔍
03/14/2019 +0 days 🔍
08/01/2023 +1601 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: 99⛔
Status: Not defined

CVE: CVE-2019-9772 (🔍)
GCVE (CVE): GCVE-0-2019-9772
GCVE (VulDB): GCVE-100-131724
SecurityFocus: 107447

See also: 🔍

Entryinfo

Created: 03/14/2019 14:10
Updated: 08/01/2023 11:27
Changes: 03/14/2019 14:10 (56), 05/16/2020 16:17 (2), 08/01/2023 11:27 (4)
Complete: 🔍
Cache ID: 216::103