Vim heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Vim. The affected element is an unknown function. Executing a manipulation can lead to heap-based overflow. This vulnerability is handled as CVE-2021-3973. The attack can be executed remotely. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability has been found in Vim (Word Processing Software) (affected version unknown) and classified as critical. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 11/19/2021. The advisory is available at huntr.dev. This vulnerability was named CVE-2021-3973 since 11/17/2021. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Applying the patch 615ddd5342b50a6878a907062aa471740bd9a847 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

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

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: 🔍

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: 615ddd5342b50a6878a907062aa471740bd9a847

Timelineinfo

11/17/2021 🔍
11/19/2021 +2 days 🔍
11/19/2021 +0 days 🔍
11/22/2021 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: 615ddd5342b50a6878a907062aa471740bd9a847
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3973 (🔍)
GCVE (CVE): GCVE-0-2021-3973
GCVE (VulDB): GCVE-100-187006

Entryinfo

Created: 11/19/2021 18:38
Updated: 11/22/2021 19:34
Changes: 11/19/2021 18:38 (48), 11/22/2021 19:34 (3)
Complete: 🔍
Cache ID: 216::103

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