GNU LibreDWG up to 0.9.3 common_entity_handle_data.spec dwg_encode_common_entity_handle_data null pointer dereference

CVSS Meta Temp Score
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7.5$0-$5k0.00

A vulnerability classified as problematic was found in GNU LibreDWG up to 0.9.3. This vulnerability affects the function dwg_encode_common_entity_handle_data of the file common_entity_handle_data.spec. 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. CVE summarizes:

An issue was discovered in GNU LibreDWG through 0.9.3. There is a NULL pointer dereference in the function dwg_encode_common_entity_handle_data in common_entity_handle_data.spec.

The weakness was published 07/16/2020. This vulnerability was named CVE-2019-20914 since 07/16/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

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

Similar entries are available at 158681, 158679, 158678 and 158677.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

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

NVD Base Score: 9.8
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
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/16/2020 🔍
07/16/2020 +0 days 🔍
07/17/2020 +1 days 🔍
07/17/2020 +0 days 🔍

Sourcesinfo

Vendor: gnu.org

Status: Not defined

CVE: CVE-2019-20914 (🔍)
See also: 🔍

Entryinfo

Created: 07/17/2020 09:32
Updated: 07/17/2020 09:37
Changes: 07/17/2020 09:32 (37), 07/17/2020 09:37 (17)
Complete: 🔍

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