Bug 1214490 (CVE-2020-19186)

Summary:	VUL-0: CVE-2020-19186: ncurses: Buffer Overflow vulnerability in _nc_find_entry function in tinfo/comp_hash.c:66 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Stoyan Manolov <stoyan.manolov>
Component:	Incidents	Assignee:	Dr. Werner Fink <werner>
Status:	RESOLVED INVALID	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	security-team, stoyan.manolov
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/375946/
Whiteboard:	CVSSv3.1:SUSE:CVE-2020-19186:5.5:(AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Stoyan Manolov 2023-08-23 06:55:46 UTC

CVE-2020-19186

Buffer Overflow vulnerability in _nc_find_entry function in tinfo/comp_hash.c:66
in ncurses 6.1 allows remote attackers to cause a denial of service via crafted
command.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-19186
https://www.cve.org/CVERecord?id=CVE-2020-19186
https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc2.md

Comment 2 Dr. Werner Fink 2023-09-12 10:06:54 UTC

Here I see

noether:/ # infotocap -o /dev/null /tmp/infotocap_poc2.md 
"/tmp/infotocap_poc2.md", line 1, col 1: Illegal character (expected alphanumeric or @%&*!#) - '{'

Comment 3 Dr. Werner Fink 2023-09-12 10:07:45 UTC

(In reply to Dr. Werner Fink from comment #2)
> Here I see
> 
> noether:/ # infotocap -o /dev/null /tmp/infotocap_poc2.md 
> "/tmp/infotocap_poc2.md", line 1, col 1: Illegal character (expected
> alphanumeric or @%&*!#) - '{'

For SLE-12 to be correct ...

Comment 4 Dr. Werner Fink 2023-09-12 10:30:11 UTC

For SLE-15

noether:/ # infotocap -o /dev/null /tmp/infotocap_poc2.md 
"/tmp/infotocap_poc2.md", line 1, col 1: Illegal character (expected alphanumeric or @%&*!#) - '{'