Use-after-free in Vim - CVE-2021-3974

Vulnerability identifier: #VU63058

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-2021-3974

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

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

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
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data
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-debugsource
vim-minimal
vim-common
vim-enhanced
vim-debuginfo
vim
vim-X11
vim-filesystem
vim-data
gvim
gvim-debuginfo
vim-small
vim-small-debuginfo
vim-data-common
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

Install updates from vendor's website.

Vim - update to 8.2.3612
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
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
RecoverPoint for VMs - update to 6.0.SP1.P1
Dell EMC VxRail Appliance - addressed in versions 7.0.372, 8.0.000
vim-debugsource - update to 8.2-7
vim-minimal - update to 8.2-7
vim-common - update to 8.2-7
vim-enhanced - update to 8.2-7
vim-debuginfo - update to 8.2-7
vim - update to 8.2-7
vim-X11 - update to 8.2-7
vim-filesystem - update to 8.2-7
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
vim-data - 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-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

• https://github.com/vim/vim/commit/64066b9acd9f8cffdf4840f797748f938a13f2d6
• https://huntr.dev/bounties/e402cb2c-8ec4-4828-a692-c95f8e0de6d4
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/
• http://www.openwall.com/lists/oss-security/2022/01/15/1
• https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html

• Multiple vulnerabilities in Vim
• Ubuntu update for vim
• Ubuntu update for vim
• SUSE update for vim
• VMware Tanzu products update for Vim
• Gentoo update for Vim, gVim
• Multiple vulnerabilities in Dell VxRail
• SUSE update for vim
• Multiple vulnerabilities in Dell VxRail Appliance components
• Multiple vulnerabilities in Dell Secure Connect Gateway
• Multiple vulnerabilities in Dell Cloud Tiering Appliance
• Amazon Linux AMI update for vim
• Multiple vulnerabilities in Dell EMC SRM and Dell EMC Storage Monitoring and Reporting (SMR)
• Multiple vulnerabilities in Dell Data Protection Central
• openEuler update for vim
• Amazon Linux AMI update for vim
• Multiple vulnerabilities in IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data
• Ubuntu update for vim
• Fedora 35 update for vim
• Fedora 34 update for vim
• Fedora 34 update for vim
• Fedora 34 update for vim
• Fedora 34 update for vim
• Multiple vulnerabilities in Dell RecoverPoint for Virtual Machines