Bug 2065771 (CVE-2022-1249)

Summary:	CVE-2022-1249 pesign: NULL pointer dereference in cms_set_pw_data()
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	bootloader-eng-team, fmartine, mjg59, pjones, rharwood
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	pesign 115	Doc Type:	If docs needed, set a value
Doc Text:	A NULL pointer dereference flaw was found in pesign's cms_set_pw_data() function of the cms_common.c file. The function fails to handle the NULL pwdata invocation from daemon.c, which leads to an explicit NULL dereference and crash on all attempts to daemonize pesign.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-03-25 13:01:24 UTC	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:	2065772
Bug Blocks:	2065773, 2072393

Description Pedro Sampaio 2022-03-18 17:12:13 UTC

A flaw was found in pesign. The cms_set_pw_data function didn't handle the NULL pwdata invocation from daemon.c.  This leads to a explicit NULL dereference and crash on all attempts to daemonize pesign.

Introducing commit:

https://github.com/frozencemetery/pesign/commit/12f16710ee44ef64ddb044a3523c3c4c4d90039a

Upstream fix:

https://github.com/rhboot/pesign/pull/79

Comment 1 Pedro Sampaio 2022-03-18 17:12:51 UTC

Created pesign tracking bugs for this issue:

Affects: fedora-all [bug 2065772]