Heap-based buffer overflow in Vim - CVE-2021-3968

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU63047

Heap-based buffer overflow in Vim - CVE-2021-3968

Published: May 11, 2022


Vulnerability identifier: #VU63047
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-3968
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Vim
Amazon Linux AMI
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Server for SAP Applications
openSUSE Leap
Fedora
Dell EMC PowerProtect Data Protection
Dell Data Protection Central
EMC Cloud Tiering Appliance
Dell EMC Storage Monitoring and Reporting (SMR)
EMC ViPR SRM
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data
Dell Secure Connect Gateway
Dell EMC VxRail Appliance
vim
gvim-debuginfo
gvim
vim-debuginfo
vim-debugsource
vim-small
vim-small-debuginfo
vim-data
vim-data-common
app-editors/gvim
app-editors/vim
app-editors/vim-core

How to mitigate CVE-2021-3968

Install updates from vendor's website.

Vim - update to 8.2.3610
Dell EMC Storage Monitoring and Reporting (SMR) - update to 4.9.0.0
EMC ViPR SRM - update to 4.9.0.0
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data - update to 5.0.1
Dell Secure Connect Gateway - update to 5.14.00.16
Dell EMC VxRail Appliance - addressed in versions 7.0.372, 8.0.000
vim - addressed in versions 8.2.3642-1.fc34, 8.2.3642-1.fc35, 8.2.3642-2.fc34, 8.2.3717-1.fc34, 8.2.3755-1.fc34
vim - addressed in versions 8.2.4006-1.1, 9.0.1160-1.1
gvim-debuginfo - addressed in versions 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
gvim - addressed in versions 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim - addressed in versions 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-debuginfo - addressed in versions 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-debugsource - addressed in versions 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-small - update to 8.2.5038-150000.5.21.1
vim-small-debuginfo - update to 8.2.5038-150000.5.21.1
vim-data - addressed in versions 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-data-common - addressed in versions 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
app-editors/gvim - update to 9.0.0060
app-editors/vim - update to 9.0.0060
app-editors/vim-core - update to 9.0.0060
EMC Cloud Tiering Appliance - update to 13.1.0.2.29

External References

Related Security Bulletins