Vim heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Vim. This affects an unknown function. The manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2021-3984. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Vim (Word Processing Software) (the affected version is unknown). It has been rated as critical. This issue affects an unknown code. 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 12/01/2021. It is possible to read the advisory at huntr.dev. The identification of this vulnerability is CVE-2021-3984 since 11/19/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Applying the patch 2de9b7c7c8791da8853a9a7ca9c467867465b655 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (huntr.dev): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2de9b7c7c8791da8853a9a7ca9c467867465b655

Timelineinfo

11/19/2021 🔍
12/01/2021 +12 days 🔍
12/01/2021 +0 days 🔍
12/08/2021 +7 days 🔍

Sourcesinfo

Product: github.com

Advisory: 2de9b7c7c8791da8853a9a7ca9c467867465b655
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3984 (🔍)
GCVE (CVE): GCVE-0-2021-3984
GCVE (VulDB): GCVE-100-187415

Entryinfo

Created: 12/01/2021 15:49
Updated: 12/08/2021 07:49
Changes: 12/01/2021 15:49 (48), 12/08/2021 07:44 (3), 12/08/2021 07:49 (18)
Complete: 🔍
Cache ID: 216::103

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

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