Heap-based buffer overflow in Vim - CVE-2021-3778

 

Heap-based buffer overflow in Vim - CVE-2021-3778

Published: May 11, 2022


Vulnerability identifier: #VU63063
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-2021-3778
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 Data Protection Central
Dell EMC PowerProtect Data Protection
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
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
Anolis OS
SUSE OpenStack Cloud Crowbar
SUSE OpenStack Cloud
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
Ubuntu
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Realtime Extension
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Module for Basesystem
openSUSE Leap
openEuler
Fedora
Red Hat Advanced Cluster Management for Kubernetes
Dell Secure Connect Gateway
EMC ViPR SRM
Dell EMC Storage Monitoring and Reporting (SMR)
Dell EMC Unity VSA Operating Environment (OE)
Dell EMC Unity XT Operating Environment (OE)
Dell EMC Unity Operating Environment (OE)
RecoverPoint for VMs
Dell EMC VxRail Appliance
vim (Ubuntu package)
vim-small-debuginfo
gvim
gvim-debuginfo
vim
vim-debuginfo
vim-debugsource
vim-data
vim-data-common
vim-small
vim (Red Hat package)
vim-X11
vim-common
vim-enhanced
vim-minimal
vim-filesystem
app-editors/gvim
app-editors/vim
app-editors/vim-core

How to mitigate CVE-2021-3778

Install updates from vendor's website.

Vim - update to 8.2.3409
Red Hat Advanced Cluster Management for Kubernetes - update to 2.2.10
EMC ViPR SRM - update to 4.9.0.0
Dell EMC Storage Monitoring and Reporting (SMR) - update to 4.9.0.0
Dell EMC Unity VSA Operating Environment (OE) - update to 5.2.0.0.5.173
Dell EMC Unity XT Operating Environment (OE) - update to 5.2.0.0.5.173
Dell EMC Unity Operating Environment (OE) - update to 5.2.0.0.5.173
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 (Ubuntu package) - addressed in versions 2:8.0.1453-1ubuntu1.6, 2:8.1.2269-1ubuntu5.3, 2:8.2.2434-1ubuntu1.1
vim-small-debuginfo - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1
gvim - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
gvim-debuginfo - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-debuginfo - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-debugsource - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-data - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-data-common - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-small - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1
vim (Red Hat package) - update to 8.0.1763-16.el8
vim-X11 - addressed in versions 8.0.1763-16.0.1, 8.0.1763-19.0.1
vim-common - addressed in versions 8.0.1763-16.0.1, 8.0.1763-19.0.1
vim-enhanced - addressed in versions 8.0.1763-16.0.1, 8.0.1763-19.0.1
vim-minimal - addressed in versions 8.0.1763-16.0.1, 8.0.1763-19.0.1
vim-filesystem - addressed in versions 8.0.1763-16.0.1, 8.0.1763-19.0.1
vim-filesystem - update to 8.2-3
vim-minimal - update to 8.2-3
vim-common - update to 8.2-3
vim-enhanced - update to 8.2-3
vim-debuginfo - update to 8.2-3
vim-debugsource - update to 8.2-3
vim - update to 8.2-3
vim-X11 - update to 8.2-3
vim - addressed in versions 8.2.3512-1.fc33, 8.2.3512-1.fc34, 8.2.3512-1.fc35
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