Heap-based buffer overflow in Vim - CVE-2021-3875

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Main Vulnerability Database Vulnerabilities #VU63066

Heap-based buffer overflow in Vim - CVE-2021-3875

Published: May 11, 2022


Vulnerability identifier: #VU63066
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-2021-3875
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
Dell EMC PowerProtect Data Protection
Dell Data Protection Central
EMC Cloud Tiering Appliance
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 Desktop
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Server for SAP Applications
openSUSE Leap
openEuler
Fedora
EMC ViPR SRM
Dell EMC Storage Monitoring and Reporting (SMR)
Dell Secure Connect Gateway
Dell EMC VxRail Appliance
vim-debuginfo
vim
vim-debugsource
vim-X11
vim-minimal
vim-common
vim-enhanced
vim-filesystem
gvim-debuginfo
gvim
vim-small
vim-small-debuginfo
vim-data
vim-data-common
app-editors/vim
app-editors/gvim
app-editors/vim-core

How to mitigate CVE-2021-3875

Install updates from vendor's website.

Vim - update to 8.2.3489
EMC ViPR SRM - update to 4.9.0.0
Dell EMC Storage Monitoring and Reporting (SMR) - update to 4.9.0.0
Dell Secure Connect Gateway - update to 5.14.00.16
Dell EMC VxRail Appliance - addressed in versions 7.0.372, 8.0.000
vim-debuginfo - update to 8.2-4
vim - update to 8.2-4
vim-debugsource - update to 8.2-4
vim-X11 - update to 8.2-4
vim-minimal - update to 8.2-4
vim-common - update to 8.2-4
vim-enhanced - update to 8.2-4
vim-filesystem - update to 8.2-4
vim - addressed in versions 8.2.3512-1.fc33, 8.2.3512-1.fc34, 8.2.3512-1.fc35
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/vim - update to 9.0.0060
app-editors/gvim - 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