Critical Security Vulnerability in vim Package: Red Hat Security Advisory RHSA-2021:4517
Summary
RHSA-2021:4517: Red Hat Security Advisory: vim security update. Affects vim versions < 2:8.0.1763-16.el8. Fixed in 2:8.0.1763-16.el8. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The vim package is a widely-used text editor in Unix-like operating systems, known for its efficiency and versatility. It supports various programming languages and file formats, making it a staple for developers and system administrators. However, a recent security advisory has highlighted a critical vulnerability that affects multiple versions of vim, including its X11, common, and enhanced variants, posing significant risks to users who have not updated to the patched version.
Vulnerability Detail
The vulnerability identified in the vim package is a critical security flaw that allows attackers to exploit the software, potentially leading to unauthorized access and manipulation of system files. This vulnerability arises from improper handling of certain inputs, which could allow an attacker to execute arbitrary code. The ramifications of this vulnerability are severe, as it could compromise the integrity and confidentiality of the system, leading to data breaches or system failures. The CVSS score for this vulnerability is 7.8, indicating a high level of risk.
How To Fix
Minimum fixed version
2:8.0.1763-16.el8
This is the first release that contains the fix.
sudo dnf update vimTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can limit the permissions of the vim executable to reduce the risk of exploitation. This can be done by running the command: 'chmod 700 /usr/bin/vim'. However, this is not a permanent solution and updating the package is strongly recommended.
Conclusion
The vim package has a critical vulnerability that poses significant risks to users who have not updated to the patched version. It is essential to apply the update promptly to safeguard against potential exploits. Users are encouraged to utilize tools like Vulert to monitor their applications for vulnerabilities in real-time.
See every vulnerability recorded for vim →
FAQ
The vulnerability allows for arbitrary code execution due to improper input handling, posing a risk of unauthorized access.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
As a temporary workaround, you can restrict the permissions of the vim executable to mitigate risks until you can apply the update.
Failure to address this vulnerability could lead to unauthorized access, data breaches, and potential system compromise.
Detailed information can be found in the Red Hat Security Advisory RHSA-2021:4517, available at https://security.access.redhat.com.
Related vulnerabilities
Recent vulnerabilities recorded for vim.
