Corel WordPerfect 2020 20.0.0.200 DOC File Word97Import200.dll out-of-bounds write

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 (≈)
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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.
6.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Corel WordPerfect 2020 20.0.0.200. This impacts an unknown function in the library Word97Import200.dll of the component DOC File Handler. The manipulation results in out-of-bounds write. This vulnerability is known as CVE-2021-38110. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Corel WordPerfect 2020 20.0.0.200 (Word Processing Software). Affected is an unknown code block in the library Word97Import200.dll of the component DOC 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 published 10/02/2021. The advisory is shared for download at fortinet.com. This vulnerability is traded as CVE-2021-38110 since 08/04/2021. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/02/2021).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

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: 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

08/04/2021 🔍
10/02/2021 +59 days 🔍
10/02/2021 +0 days 🔍
10/08/2021 +6 days 🔍

Sourcesinfo

Advisory: fortinet.com
Status: Not defined

CVE: CVE-2021-38110 (🔍)
GCVE (CVE): GCVE-0-2021-38110
GCVE (VulDB): GCVE-100-183720

Entryinfo

Created: 10/02/2021 10:45
Updated: 10/08/2021 12:01
Changes: 10/02/2021 10:45 (39), 10/08/2021 12:01 (1)
Complete: 🔍
Cache ID: 216::103

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