Bug 1412236 (CVE-2017-5336)

Summary:	CVE-2017-5336 gnutls: Stack overflow in cdk_pk_get_keyid
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	hkario, jv+fedora, nmavrogi, sardella, slawomir, tmraz, yozone
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	gnutls 3.3.26, gnutls 3.5.8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:05:20 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:	1411838, 1411845, 1413836, 1413874
Bug Blocks:	1386080, 1411837, 1415638

Description Andrej Nemec 2017-01-11 15:23:52 UTC

A vulnerability was found in gnutls. A stack overflow could occur in opencdk in the cdk_pk_get_keyid function. A memory corruption could occur when parsing a maliciously crafted OpenPGP certificate.

References:

http://seclists.org/oss-sec/2017/q1/51
https://gnutls.org/security.html#GNUTLS-SA-2017-2

Upstream patch:

https://gitlab.com/gnutls/gnutls/commit/5140422e0d7319a8e2fe07f02cbcafc4d6538732

Comment 1 Andrej Nemec 2017-01-11 15:31:21 UTC

Created gnutls tracking bugs for this issue:

Affects: fedora-all [bug 1411838]

Comment 2 Andrej Nemec 2017-01-11 15:31:27 UTC

Created gnutls30 tracking bugs for this issue:

Affects: epel-6 [bug 1411845]

Comment 6 Nikos Mavrogiannopoulos 2017-01-17 12:16:15 UTC

Reproducer at:
https://gitlab.com/gnutls/gnutls/commit/611098e2f01fd8c3a5a625d61f26c56fcb3d770c

Comment 7 Nikos Mavrogiannopoulos 2017-02-13 14:48:21 UTC

Maps to: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=340

Comment 8 errata-xmlrpc 2017-03-21 09:05:10 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2017:0574 https://rhn.redhat.com/errata/RHSA-2017-0574.html

Comment 9 errata-xmlrpc 2017-08-01 08:50:07 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:2292 https://access.redhat.com/errata/RHSA-2017:2292