Use-after-free in Vim - CVE-2021-4069

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Main Vulnerability Database Vulnerabilities #VU60795

Use-after-free in Vim - CVE-2021-4069

Published: February 22, 2022


Vulnerability identifier: #VU60795
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-2021-4069
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Vim
Amazon Linux AMI
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
Ubuntu
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Module for Basesystem
openSUSE Leap
openEuler
Fedora
Isolation Segment
VMware Tanzu Application Service for VMs
Dell Secure Connect Gateway
Dell EMC PowerProtect Data Protection
Dell Data Protection Central
Tanzu Greenplum for Kubernetes
EMC Cloud Tiering Appliance
vim (Ubuntu package)
vim-debuginfo
vim-debugsource
vim-enhanced
vim-X11
vim-common
vim
vim-minimal
vim-filesystem
vim-data-common
gvim
gvim-debuginfo
vim-small
vim-small-debuginfo
vim-data
app-editors/gvim
app-editors/vim
app-editors/vim-core
VMware Tanzu Operations Manager
EMC ViPR SRM
Dell EMC Storage Monitoring and Reporting (SMR)
RecoverPoint for VMs
Dell EMC VxRail Appliance

How to mitigate CVE-2021-4069

Install updates from vendor's website.

Vim - update to 8.2.3741
Tanzu Greenplum for Kubernetes - update to 2.0.0
vim (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 2:7.4.16893ubuntu1.5+esm4, 2:8.0.1453-1ubuntu1.8, 2:8.1.2269-1ubuntu5.6, 2:8.2.2434-3ubuntu3.2
VMware Tanzu Operations Manager - addressed in versions 2.9.39, 2.10.40
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
RecoverPoint for VMs - update to 6.0.SP1.P1
Dell EMC VxRail Appliance - addressed in versions 7.0.372, 8.0.000
vim-debuginfo - update to 8.2-10
vim-debugsource - update to 8.2-10
vim-enhanced - update to 8.2-10
vim-X11 - update to 8.2-10
vim-common - update to 8.2-10
vim - update to 8.2-10
vim-minimal - update to 8.2-10
vim-filesystem - update to 8.2-10
vim - addressed in versions 8.2.3755-1.fc34, 8.2.3755-1.fc35
vim - addressed in versions 8.2.4006-1.1, 9.0.1160-1.1
vim-data-common - 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
gvim-debuginfo - 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
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