CVE-2022-1619
📋 TL;DR
CVE-2022-1619 is a heap-based buffer overflow vulnerability in Vim's command-line editing function that could allow attackers to crash the application, modify memory, or potentially execute arbitrary code. This affects users running vulnerable versions of Vim when processing specially crafted input. The vulnerability requires user interaction through command-line input.
💻 Affected Systems
- Vim
📦 What is this software?
Fedora by Fedoraproject
Fedora by Fedoraproject
Fedora by Fedoraproject
Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Solidfire by Netapp
Vim by Vim
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise if Vim is used with elevated privileges or in server contexts.
Likely Case
Application crash (denial of service) or limited memory corruption when processing malicious command-line input.
If Mitigated
No impact if Vim is not used or if input validation prevents exploitation.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file or entering crafted command). Proof-of-concept details available in public disclosures.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.2.4899 and later
Vendor Advisory: https://github.com/vim/vim/commit/ef02f16609ff0a26ffc6e20263523424980898fe
Restart Required: No
Instructions:
1. Update Vim to version 8.2.4899 or later. 2. For package managers: 'sudo apt update && sudo apt upgrade vim' (Debian/Ubuntu) or 'sudo yum update vim' (RHEL/CentOS). 3. For source installation: download latest from https://github.com/vim/vim and compile.
🔧 Temporary Workarounds
Restrict Vim usage
allLimit Vim usage to trusted files and avoid opening untrusted content.
Use alternative editors
allTemporarily use alternative text editors like nano, emacs, or vscode.
🧯 If You Can't Patch
- Implement strict file access controls to prevent opening untrusted files in Vim
- Monitor for abnormal Vim process crashes or memory usage patterns
🔍 How to Verify
Check if Vulnerable:
Run 'vim --version' and check if version is below 8.2.4899Check Version:
vim --version | head -1Verify Fix Applied:
Run 'vim --version' and confirm version is 8.2.4899 or higher📡 Detection & Monitoring
Log Indicators:
- Vim process crashes with segmentation faults
- Abnormal memory allocation patterns in system logs
Network Indicators:
- Not applicable - local exploitation only
SIEM Query:
Process:Name=vim AND (EventID=1000 OR Signal=SIGSEGV)🔗 References
- http://seclists.org/fulldisclosure/2022/Oct/28
- http://seclists.org/fulldisclosure/2022/Oct/41
- https://github.com/vim/vim/commit/ef02f16609ff0a26ffc6e20263523424980898fe
- https://huntr.dev/bounties/b3200483-624e-4c76-a070-e246f62a7450
- https://lists.debian.org/debian-lts-announce/2022/05/msg00022.html
- https://lists.debian.org/debian-lts-announce/2022/11/msg00032.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6BY5P7ERZS7KXSBCGFCOXLMLGWUUJIH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIP7KG7TVS5YF3QREAY2GOGUT3YUBZAI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUN33257RUM4RS2I4GZETKFSAXPETATG/
- https://security.gentoo.org/glsa/202208-32
- https://security.gentoo.org/glsa/202305-16
- https://security.netapp.com/advisory/ntap-20220930-0007/
- https://support.apple.com/kb/HT213488
- http://seclists.org/fulldisclosure/2022/Oct/28
- http://seclists.org/fulldisclosure/2022/Oct/41
- https://github.com/vim/vim/commit/ef02f16609ff0a26ffc6e20263523424980898fe
- https://huntr.dev/bounties/b3200483-624e-4c76-a070-e246f62a7450
- https://lists.debian.org/debian-lts-announce/2022/05/msg00022.html
- https://lists.debian.org/debian-lts-announce/2022/11/msg00032.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6BY5P7ERZS7KXSBCGFCOXLMLGWUUJIH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIP7KG7TVS5YF3QREAY2GOGUT3YUBZAI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUN33257RUM4RS2I4GZETKFSAXPETATG/
- https://security.gentoo.org/glsa/202208-32
- https://security.gentoo.org/glsa/202305-16
- https://security.netapp.com/advisory/ntap-20220930-0007/
- https://support.apple.com/kb/HT213488
