Ribbonsoft dxflib 3.17.0 DXF File handleLWPolylineData heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Ribbonsoft dxflib 3.17.0 and classified as critical. The impacted element is the function DL_Dxf::handleLWPolylineData of the component DXF File Handler. The manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2021-21897. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Ribbonsoft dxflib 3.17.0 and classified as critical. This issue affects the function DL_Dxf::handleLWPolylineData of the component DXF File Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was published 09/09/2021 as TALOS-2021-1346. It is possible to read the advisory at talosintelligence.com. The identification of this vulnerability is CVE-2021-21897. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 211076 (Fedora 38 : cloudcompare (2022-d0be6938e2)), 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 (211076). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
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: 211076
Nessus Name: Fedora 38 : cloudcompare (2022-d0be6938e2)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
09/09/2021 +247 days 🔍
09/09/2021 +0 days 🔍
05/03/2025 +1332 days 🔍

Sourcesinfo

Advisory: TALOS-2021-1346
Status: Not defined

CVE: CVE-2021-21897 (🔍)
GCVE (CVE): GCVE-0-2021-21897
GCVE (VulDB): GCVE-100-182255
X-Force: 20210104

Entryinfo

Created: 09/09/2021 11:04
Updated: 05/03/2025 12:14
Changes: 09/09/2021 11:04 (57), 09/11/2021 09:35 (3), 11/17/2024 18:20 (16), 05/03/2025 12:14 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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