libredwg up to 0.10.1.3751 decode.c check_POLYLINE_handles null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in libredwg up to 0.10.1.3751 and classified as problematic. This affects the function check_POLYLINE_handles of the file decode.c. Such manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2021-39523. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in libredwg up to 0.10.1.3751 (Image Processing Software). Affected by this issue is the function check_POLYLINE_handles of the file decode.c. 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 released 09/21/2021 as 251. The advisory is available at github.com. This vulnerability is handled as CVE-2021-39523 since 08/23/2021. Technical details 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
09/21/2021 +29 days 🔍
09/21/2021 +0 days 🔍
09/29/2021 +8 days 🔍

Sourcesinfo

Product: github.com

Advisory: 251
Status: Confirmed

CVE: CVE-2021-39523 (🔍)
GCVE (CVE): GCVE-0-2021-39523
GCVE (VulDB): GCVE-100-183026

Entryinfo

Created: 09/21/2021 09:35
Updated: 09/29/2021 22:23
Changes: 09/21/2021 09:35 (39), 09/29/2021 22:08 (1), 09/29/2021 22:23 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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