NULL pointer dereference in Vim - CVE-2022-1620

Vulnerability identifier: #VU62876

CSH Severity: Low

CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-1620

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the vim_regexec_string() function in regexp.c. A remote attacker can trick the victim to open a specially crafted file, trigger NULL pointer dereference error and crash the application.

Vim
Gentoo Linux
Amazon Linux AMI
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
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 Desktop
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Server for SAP Applications
openSUSE Leap
openEuler
Fedora
macOS
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
Dell EMC VxRail Appliance
vim (Ubuntu package)
vim-minimal
vim-enhanced
vim-debugsource
vim-debuginfo
vim-common
vim-X11
vim
vim-filesystem
gvim
gvim-debuginfo
vim-small
vim-small-debuginfo
vim-data
vim-data-common
app-editors/vim-core
app-editors/gvim
app-editors/vim

Install update from vendor's website.

Vim - update to 8.2.4901
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
Dell EMC VxRail Appliance - addressed in versions 7.0.372, 8.0.000
vim (Ubuntu package) - addressed in versions 2:7.4.16893ubuntu1.5+esm6, 2:8.0.1453-1ubuntu1.9, 2:8.1.2269-1ubuntu5.8, 2:8.1.2269-1ubuntu5.9, 2:8.2.3995-1ubuntu2.1
vim-minimal - update to 8.2-27
vim-enhanced - update to 8.2-27
vim-debugsource - update to 8.2-27
vim-debuginfo - update to 8.2-27
vim-common - update to 8.2-27
vim-X11 - update to 8.2-27
vim - update to 8.2-27
vim-filesystem - update to 8.2-27
vim - addressed in versions 8.2.4927-1.fc34, 8.2.4927-1.fc35, 8.2.4927-1.fc36
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
vim-data-common - addressed in versions 8.2.5038-150000.5.21.1, 9.0.0814-17.9.1
vim - addressed in versions 8.2.5172-1.1, 9.0.1160-1.1
app-editors/vim-core - addressed in versions 9.0.0060, 9.0.1157
app-editors/gvim - addressed in versions 9.0.0060, 9.0.1157
app-editors/vim - addressed in versions 9.0.0060, 9.0.1157
macOS - update to 13.0 22A380
EMC Cloud Tiering Appliance - update to 13.1.0.2.29

• https://huntr.dev/bounties/7a4c59f3-fcc0-4496-995d-5ca6acd2da51
• https://github.com/vim/vim/commit/8e4b76da1d7e987d43ca960dfbc372d1c617466f

• Denial of service in Vim
• Ubuntu update for vim
• SUSE update for vim
• Amazon Linux AMI update for vim
• Gentoo update for Vim, gVim
• Ubuntu update for vim
• Ubuntu update for vim
• Multiple vulnerabilities in Dell VxRail
• Multiple vulnerabilities in Apple macOS Ventura
• 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
• Gentoo update for Vim, gVim
• 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
• Fedora 36 update for vim
• Fedora 35 update for vim
• Fedora 34 update for vim