Bug 1473192 (CVE-2017-10790)

Summary:	CVE-2017-10790 libtasn1: NULL pointer dereference in the _asn1_check_identifier function
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	bkearney, bmcclain, cbillett, dblechte, eedri, erik-fedora, jmatthew, klember, mgoldboi, michal.skrivanek, mike, mmccune, nmavrogi, ohadlevy, sherold, tjay, tmraz, tsanders, ykaul, ylavi
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-07-20 08:27:07 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1473194, 1473195, 1473196
Bug Blocks:

Description Andrej Nemec 2017-07-20 08:23:14 UTC

The _asn1_check_identifier function in GNU Libtasn1 causes a NULL pointer dereference and crash when reading crafted input that triggers assignment of a NULL value within an asn1_node structure. It may lead to a denial of service attack.

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1464141

Comment 1 Andrej Nemec 2017-07-20 08:23:55 UTC

Created libtasn1 tracking bugs for this issue:

Affects: fedora-all [bug 1473195]


Created mingw-libtasn1 tracking bugs for this issue:

Affects: epel-7 [bug 1473196]
Affects: fedora-all [bug 1473194]