Heap-based buffer overflow in Vim - CVE-2021-4136

Vulnerability identifier: #VU60794

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-2021-4136

CWE-ID: CWE-122

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 boundary error. A remote attacker can trick the victim to open a specially crafted file, trigger 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.

Vim
Amazon Linux AMI
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
macOS
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Performance Computing
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
Fedora
Dell Data Protection Central
Dell EMC PowerProtect Data Protection
EMC Cloud Tiering Appliance
EMC ViPR SRM
Dell EMC Storage Monitoring and Reporting (SMR)
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data
Dell Secure Connect Gateway
RecoverPoint for VMs
Dell EMC VxRail Appliance
vim
vim-small-debuginfo
gvim
gvim-debuginfo
vim-debuginfo
vim-debugsource
vim-data-common
vim-data
vim-small
app-editors/vim-core
app-editors/vim
app-editors/gvim

Install updates from vendor's website.

Vim - update to 8.2.3847
macOS - addressed in versions 10.15.7 19H2026, 11.6.6 20G624, 12.3 21E230
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 - addressed in versions 8.2.4006-1.fc34, 8.2.4006-1.fc35, 8.2.4068-1.fc34
vim - addressed in versions 8.2.4006-1.1, 9.0.1160-1.1
vim-small-debuginfo - update to 8.2.5038-150000.5.21.1
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-data-common - addressed in versions 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim-data - 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
app-editors/vim-core - update to 9.0.0060
app-editors/vim - update to 9.0.0060
app-editors/gvim - update to 9.0.0060
EMC Cloud Tiering Appliance - update to 13.1.0.2.29

• https://huntr.dev/bounties/5c6b93c1-2d27-4e98-a931-147877b8c938
• https://github.com/vim/vim/commit/605ec91e5a7330d61be313637e495fa02a6dc264
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
• http://www.openwall.com/lists/oss-security/2022/01/15/1
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/

• Multiple vulnerabilities in Vim
• Multiple vulnerabilities in Apple macOS Monterey
• Multiple vulnerabilities in Apple macOS Big Sur
• SUSE update for vim
• Multiple vulnerabilities in macOS Catalina
• 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
• 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 34 update for vim
• Multiple vulnerabilities in Dell RecoverPoint for Virtual Machines