Bug 2076483 (CVE-2022-29458)

Summary:	CVE-2022-29458 ncurses: segfaulting OOB read
Product:	[Other] Security Response	Reporter:	Sandipan Roy <saroy>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	mlichvar
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 segmentation fault vulnerability was found in ncurses's convert_strings() function of tinfo/read_entry.c file. This flaw occurs due to corrupted terminfo data, triggering an out-of-bounds read error.	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:	2076484, 2078714
Bug Blocks:	2076485

Description Sandipan Roy 2022-04-19 07:44:10 UTC

ncurses 6.3 before patch 20220416 has an out-of-bounds read and segmentation violation in convert_strings in tinfo/read_entry.c in the terminfo library.

https://lists.gnu.org/archive/html/bug-ncurses/2022-04/msg00016.html
https://lists.gnu.org/archive/html/bug-ncurses/2022-04/msg00014.html

Comment 1 Sandipan Roy 2022-04-19 07:44:29 UTC

Created ncurses tracking bugs for this issue:

Affects: fedora-all [bug 2076484]