Bug 1703979 (CVE-2019-17007)

Summary:	CVE-2019-17007 nss: Handling of Netscape Certificate Sequences in CERT_DecodeCertPackage() may crash with a NULL deref leading to DoS
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bmaxwell, cdewolf, chazlett, crypto-team, csutherl, darran.lofthouse, dosoudil, dueno, elio.maldonado.batiz, fgavrilo, jawilson, jondruse, kdudka, kengert, lgao, nss-nspr-maint, pgier, ppalaga, pslavice, rnetuka, rstancel, rsvoboda, tom.jenkinson, twalsh, vtunka
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	nss 3.44	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-11-27 13:04:13 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:	1703987, 1908831
Bug Blocks:	1704005, 1729336

Description Marian Rehak 2019-04-29 08:42:16 UTC

Main entrypoint for decoding DER blobs in NSS, CERT_DecodeCertPackage() mishandles old Netscape Certificate Sequences, with possible crash as NULL pointer is dereferenced, leading to DoS.

External References:
https://bugs.chromium.org/p/project-zero/issues/detail?id=1798

Comment 1 Marian Rehak 2019-04-29 08:42:31 UTC

Created nss tracking bugs for this issue:

Affects: fedora-all [bug 1703987]

Comment 3 Huzaifa S. Sidhpurwala 2019-05-07 04:30:46 UTC

Upstream commit: https://hg.mozilla.org/projects/nss/rev/1473dd7efe2ce4f8722a33ebb03a3425e09887de

Comment 4 Joshua Padman 2019-05-15 23:06:02 UTC

This vulnerability is out of security support scope for the following product:
 * Red Hat Enterprise Application Platform 6

Please refer to https://access.redhat.com/support/policy/updates/jboss_notes for more details.

Comment 5 Huzaifa S. Sidhpurwala 2019-07-16 04:49:09 UTC

Upstream bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1533216

Comment 6 Huzaifa S. Sidhpurwala 2019-11-27 13:01:10 UTC

This issue was addressed via upstream nss-3.44, which is already shipped with Red Hat Enterprise Linux 6, 7 and 8.

Comment 7 Huzaifa S. Sidhpurwala 2019-11-28 06:45:40 UTC

Statement:

This issue was addressed via upstream nss-3.44, which is already shipped with Red Hat Enterprise Linux 6, 7 and 8.

Comment 9 errata-xmlrpc 2021-03-16 14:52:15 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.6 Extended Update Support

Via RHSA-2021:0876 https://access.redhat.com/errata/RHSA-2021:0876