Bug 1238324 (CVE-2015-3277)

Summary:	CVE-2015-3277 mod_nss: incorrect multi-keyword mode cipherstring parsing
Product:	[Other] Security Response	Reporter:	Vasyl Kaigorodov <vkaigoro>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dpal, mharmsen, mpoole, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-12-01 06:39:28 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:	1243518, 1253570
Bug Blocks:	1210268, 1238330

Description Vasyl Kaigorodov 2015-07-01 15:26:27 UTC

It was reported that mod_nss is vulnerable to the issue similar to CVE-2015-3276, where incorrect parsing of multi-keyword cipherstring can lead to an unexpected ciphers list advertising.

Acknowledgements:

Red Hat would like to thank Martin Poole of Software Maintenance Engineering group for reporting this issue.

Comment 2 Huzaifa S. Sidhpurwala 2015-08-14 07:02:29 UTC

The vulnerable code was added to mod_nss via the following commit:

https://git.fedorahosted.org/cgit/mod_nss.git/commit/?id=2d1650900f4d47dc43400d826c0f7e1a7c5229b8

And it was released as mod_nss-1.10.11

Therefore this does not affect the version of mod_nss package shipped with Red Hat Enterprise Linux 5, 6 and 7.

Comment 3 Huzaifa S. Sidhpurwala 2015-08-14 07:05:20 UTC

Statement:

This issue did not affect the versions of mod_nss as shipped with Red Hat Enterprise Linux 5, 6 and 7.