LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580 DWG File decompress18 out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580 and classified as critical. Affected by this vulnerability is the function dwgCompressor::decompress18 of the component DWG File Handler. The manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2021-21898. There is no exploit available.

Detailsinfo

A vulnerability was found in LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. It has been classified as critical. Affected is the function dwgCompressor::decompress18 of the component DWG File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 11/20/2021 as TALOS-2021-1349. The advisory is shared for download at talosintelligence.com. This vulnerability is traded as CVE-2021-21898 since 01/04/2021. 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Out-of-bounds write
CWE: CWE-787 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
11/20/2021 +320 days 🔍
11/20/2021 +0 days 🔍
11/25/2021 +5 days 🔍

Sourcesinfo

Advisory: TALOS-2021-1349
Status: Not defined

CVE: CVE-2021-21898 (🔍)
GCVE (CVE): GCVE-0-2021-21898
GCVE (VulDB): GCVE-100-187044

Entryinfo

Created: 11/20/2021 11:15
Updated: 11/25/2021 09:02
Changes: 11/20/2021 11:15 (39), 11/25/2021 08:57 (1), 11/25/2021 09:02 (18)
Complete: 🔍
Cache ID: 216::103

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