Bug 2234911 (CVE-2020-19187)

Summary:	CVE-2020-19187 ncurses: Heap buffer overflow in fmt_entry function in progs/dump_entry.c:1100
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acrosby, adudiak, ahrabovs, aucunnin, bdettelb, caswilli, crarobin, dfreiber, doconnor, drow, fjansen, hkataria, jburrell, jmadigan, jmitchel, jsherril, jtanner, kaycoth, kshier, luizcosta, mlichvar, mstoklus, ngough, nweather, pamccart, stcannon, teagle, vkumar, yguenane
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ncurses 6.2	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the ncurses library. This issue occurs when processing a crafted terminfo database, causing a heap-based buffer overflow, resulting in an application crash, leading to a denial of service.	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:	2234932, 2234933
Bug Blocks:	2234942

Description Pedro Sampaio 2023-08-25 18:12:46 UTC

Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1100 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

References:

https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc3.md