Bug 2025059 (CVE-2021-3973)

Summary: CVE-2021-3973 vim: Heap based buffer overflow in findfile.c
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Nobody <nobody>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: bdettelb, caswilli, fjansen, gchamoul, gparvin, jburrell, jwong, karsten, kaycoth, pahickey, psegedy, stcannon, vkumar, vmugicag, zdohnal
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: vim 8.2.3611 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in vim. A possible heap-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to system availability.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2025060, 2025402    
Bug Blocks: 2025066    

Description Pedro Sampaio 2021-11-19 19:18:58 UTC
vim is vulnerable to Heap-based Buffer Overflow in findfile.c

https://github.com/vim/vim/commit/615ddd5342b50a6878a907062aa471740bd9a847
https://huntr.dev/bounties/ce6e8609-77c6-4e17-b9fc-a2e5abed052e

Comment 1 Pedro Sampaio 2021-11-19 19:19:16 UTC
Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2025060]