Use of Uninitialized Variable in Vim - CVE-2021-3928

Vulnerability identifier: #VU63052

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-2021-3928

CWE-ID: CWE-457

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 parsing uninitialized variable. A remote attacker can trick a victim to open a specially crafted file 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 Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
openSUSE Leap 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 Realtime Extension
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Module for Desktop Applications
openSUSE Leap
openEuler
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 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
vim-small
vim-debugsource
vim-debuginfo
vim-data-common
vim-data
vim
gvim
gvim-debuginfo
vim-minimal
vim-enhanced
vim-common
vim-X11
vim-filesystem
app-editors/gvim
app-editors/vim
app-editors/vim-core

Install updates from vendor's website.

Vim - update to 8.2.3582
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 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 2:8.0.1453-1ubuntu1.7, 2:8.1.2269-1ubuntu5.4, 2:8.2.2434-1ubuntu1.2, 2:8.2.2434-3ubuntu3.1
vim-small-debuginfo - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-150000.5.28.1
vim-small - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-150000.5.28.1
vim-debugsource - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1, 9.0.0814-150000.5.28.1
vim-debuginfo - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1, 9.0.0814-150000.5.28.1
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, 9.0.0814-150000.5.28.1
vim-data - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1, 9.0.0814-150000.5.28.1
vim - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1, 9.0.0814-150000.5.28.1
gvim - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1, 9.0.0814-150000.5.28.1
gvim-debuginfo - addressed in versions 8.0.1568-5.17.1, 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1, 9.0.0814-150000.5.28.1
vim - update to 8.2-6
vim-minimal - update to 8.2-6
vim-enhanced - update to 8.2-6
vim-debuginfo - update to 8.2-6
vim-common - update to 8.2-6
vim-debugsource - update to 8.2-6
vim-X11 - update to 8.2-6
vim-filesystem - update to 8.2-6
vim - addressed in versions 8.2.3582-1.fc33, 8.2.3582-1.fc34, 8.2.3582-1.fc35, 8.2.3642-1.fc34, 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
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://huntr.dev/bounties/29c3ebd2-d601-481c-bf96-76975369d0cd
• https://github.com/vim/vim/commit/15d9890eee53afc61eb0a03b878a19cb5672f732
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PGW56Z6IN4UVM3E5RXXF4G7LGGTRBI5C/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BCQWPEY2AEYBELCMJYHYWYCD3PZVD2H7/
• 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
• SUSE update for vim
• Gentoo update for Vim, gVim
• Multiple vulnerabilities in Dell VxRail
• SUSE update for vim
• 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
• SUSE update for vim
• SUSE update for vim
• Amazon Linux AMI update for vim
• Multiple vulnerabilities in Dell EMC SRM and Dell EMC Storage Monitoring and Reporting (SMR)
• Multiple vulnerabilities in Dell Unity, Dell UnityVSA, and Dell Unity XT
• 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
• Fedora 35 update for vim
• Fedora 34 update for vim
• Fedora 33 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