Bug 1117588 (CVE-2014-4671)

Summary:	CVE-2014-4671 flash-plugin: vulnerable JSONP callback APIs issue (APSB14-17)
Product:	[Other] Security Response	Reporter:	Murray McAllister <mmcallis>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	ed.costello, emhuang, mmelanso, mtilburg, stransky, vdanen
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	A flaw was found that would lead to Cross-Site Request Forgery (CSRF) attacks.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2014-07-10 04:26:10 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:	1117590, 1117593, 1117596, 1117598
Bug Blocks:	1117589

Description Murray McAllister 2014-07-09 03:19:28 UTC

Adobe has released Flash Player 11.2.202.394 for Linux to correct the following flaws:

These updates include additional validation checks to ensure that Flash Player rejects malicious content from vulnerable JSONP callback APIs (CVE-2014-4671).

External References:

http://helpx.adobe.com/security/products/flash-player/apsb14-17.html

Comment 2 Martin Prpič 2014-07-09 07:33:49 UTC

IssueDescription:

A flaw was found that would lead to Cross-Site Request Forgery (CSRF) attacks.

Comment 3 errata-xmlrpc 2014-07-09 11:11:22 UTC

This issue has been addressed in following products:

  Supplementary for Red Hat Enterprise Linux 5
  Supplementary for Red Hat Enterprise Linux 6

Via RHSA-2014:0860 https://rhn.redhat.com/errata/RHSA-2014-0860.html

Comment 4 Tomas Hoger 2014-07-25 06:32:25 UTC

Detailed write-up of the issue form its reporter:
http://miki.it/blog/2014/7/8/abusing-jsonp-with-rosetta-flash/

Tools to generate SWF files encoded in ASCII-only:
https://github.com/mikispag/rosettaflash

Metasploit module exploiting this issue:
http://www.rapid7.com/db/modules/auxiliary/gather/flash_rosetta_jsonp_url_disclosure
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/flash_rosetta_jsonp_url_disclosure.rb