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AUSCERT External Security Bulletin Redistribution
ESB-2016.0745
Security Bulletin: Vulnerability in Apache Cordova affects
IBM MobileFirst Platform Foundation (CVE-2015-5256)
22 March 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM MobileFirst Platform Foundation
Publisher: IBM
Operating System: Apple iOS
BlackBerry Device
Android
Windows
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
Resolution: Mitigation
CVE Names: CVE-2015-5256
Reference: ESB-2016.0648
ESB-2015.3127
ESB-2015.2950
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg2C100010
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Security Bulletin: Vulnerability in Apache Cordova affects IBM MobileFirst
Platform Foundation (CVE-2015-5256)
Document information
More support for:
IBM MobileFirst Platform Foundation
Security
Software version:
6.3, 7.0, 7.1
Operating system(s):
Apple iOS, BlackBerry OS, Google Android, Windows
Reference #:
C1000109
Modified date:
2016-03-21
Security Bulletin
Summary
An Apache Cordova Vulnerability for improper application of whitelist
restrictions on Android was addressed by IBM MobileFirst Platform Foundation.
Android applications created using Apache Cordova that use a remote server
contain a vulnerability where whitelist restrictions are not properly applied.
Improperly crafted URIs could be used to circumvent the whitelist, allowing
for the execution of non-whitelisted JavaScript.
Vulnerability Details
CVEID: CVE-2015-5256
DESCRIPTION: Apache Cordova Android could allow a remote attacker to bypass
security restrictions, caused by the improper application of whitelist
restrictions. An attacker could exploit this vulnerability to bypass intended
access restrictions.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/108200 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Affected Products and Versions
IBM MobileFirst Platform Foundation Version 6.3, 7.0, 7.1
IBM Worklight Version 5.0.x, 6.0, 6.1, 6.2
Remediation/Fixes
None
Workarounds and Mitigations
For the proposed mitigation policy, please check
https://developer.ibm.com/mobilefirstplatform/2016/02/24/cve-2015-5256-apache-cordova-vulnerable-to-improper-application-of-whitelist-restrictions-on-android/
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References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
14 March 2016: Original version published
15 March 2016: Linked to CVE and cleaned up text
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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