Use After Free Affecting vim/vim package, versions [,9.1.0648)
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.04% (11th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-UNMANAGED-VIMVIM-7578024
- published 2 Aug 2024
- disclosed 1 Aug 2024
- credit Suyue Guo
Introduced: 1 Aug 2024
CVE-2024-41965 Open this link in a new tabHow to fix?
Upgrade vim/vim to version 9.1.0648 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free due to the dialog_changed process. An attacker can cause a crash by exploiting the double-free condition to trigger a heap-use-after-free error.
PoC
CFLAGS="-fsanitize=address -g" CXXFLAGS="-fsanitize=address -g" LDFLAGS="-fsanitize=address" ./configure --with-features=huge --enable-gui=none
export ASAN_OPTIONS=abort_on_error=1:detect_leaks=1:malloc_context_size=25:symbolize=1:log_path=./asan.log
make