Use After Free Affecting vim/vim package, versions [,9.1.0764)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-VIMVIM-8168843
- published9 Oct 2024
- disclosed7 Oct 2024
- creditgandalf4a
Introduced: 7 Oct 2024
CVE-2024-47814 (opens in a new tab)How to fix?
Upgrade vim/vim to version 9.1.0764 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free via the BufWinLeave auto command. An attacker can cause the application to crash by manipulating the auto command to reopen the same buffer in a new split window.
Note:
This is only exploitable if the user has intentionally set up such an auto command and runs some buffer unload commands.
PoC
vim -u NONE -i NONE -n -m -X -Z -e -s -S vim_huaf_522 -c :qa!