Bug 2161348 (CVE-2023-0051)

Summary:	CVE-2023-0051 vim: heap-based buffer overflow in msg_puts_printf() in message.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	zdohnal
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A heap-based buffer overflow was found in Vim in the msg_puts_printf function in the message.c file. The issue occurs because of an invalid memory access when calculating the length of a string when a specially crafted input is processed. This flaw allows an attacker who can trick a user into opening a specially crafted file into triggering the heap-based buffer overflow, causing the application to crash.	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:	2161352, 2161373
Bug Blocks:	2159622

Description Guilherme de Almeida Suckevicz 2023-01-16 16:50:36 UTC

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1144.

Reference:
https://huntr.dev/bounties/1c8686db-baa6-42dc-ba45-aed322802de9

Upstream patch:
https://github.com/vim/vim/commit/c32949b0779106ed5710ae3bffc5053e49083ab4

Comment 1 Guilherme de Almeida Suckevicz 2023-01-16 17:05:04 UTC

Created vim tracking bugs for this issue:

Affects: fedora-all [bug 2161352]