Heap Buffer Overflow in Vim - CVE-2024-45306
Summary
DEBIAN-CVE-2024-45306: Vim is an open source, command line text editor. Affects vim versions < 2:9.1.0709-1. Fixed in 2:9.1.0709-1. How to fix ↓
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Background
Vim is an open-source command-line text editor widely used for programming and text editing. It is known for its efficiency and powerful features, including syntax highlighting, multi-level undo, and extensive plugin support. However, a recent vulnerability has been identified that affects its stability and security.
Vulnerability Detail
The vulnerability arises from a change made in patch v9.1.0038, which optimized cursor position calculations by removing a verification loop. This change inadvertently allowed the cursor to point beyond the end of a line, leading to a potential heap buffer overflow when accessing the line pointer at that position. The issue can result in program crashes, although the exact conditions that lead to this invalid cursor position are not fully understood. The vulnerability is addressed in patch v9.1.0707.
How To Fix
Minimum fixed version
2:9.1.0709-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade vimTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. Users are advised to upgrade to the patched version as soon as possible.
Conclusion
The vulnerability CVE-2024-45306 in Vim poses a risk of crashes due to heap buffer overflow caused by an invalid cursor position. Users are strongly advised to upgrade to the patched version to ensure stability and security.
See every vulnerability recorded for vim →
FAQ
CVE-2024-45306 is a vulnerability in Vim that can lead to a heap buffer overflow due to an invalid cursor position.
The vulnerability can cause Vim to crash when the cursor points beyond the end of a line, leading to instability.
Yes, the vulnerability has been addressed in patch v9.1.0707, and users should upgrade to version 2:9.1.0709-1.
While there are no specific workarounds, it is recommended to upgrade as soon as possible to avoid potential crashes.
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References
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