Security Bulletin
Summary
There are vulnerabilities in Apache Tomcat to which the IBM® FlashSystem™ V840 is susceptible. An exploit of these vulnerabilities (CVE-2016-6816, CVE-2016-6817, and CVE-2016-6796) could allow a remote attacker to obtain sensitive information, cause an application to enter an infinite loop, or bypass a configured SecurityManager
Vulnerability Details
CVEID: CVE-2016-6816
DESCRIPTION: Apache Tomcat is vulnerable to HTTP response splitting attacks, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability to inject arbitrary HTTP headers and cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning or cross-site scripting, and possibly obtain sensitive information.
CVSS Base Score: 6.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/119158 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
CVEID: CVE-2016-6817
DESCRIPTION: Apache Tomcat is vulnerable to a denial of service. By sending a specially crafted HTTP/2 header, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/119156 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:N/A:H)
CVEID: CVE-2016-6796
DESCRIPTION: Apache Tomcat could allow a local attacker to bypass security restrictions. By modifying configuration parameters for the JSP Servlet, an attacker could exploit this vulnerability to bypass a configured SecurityManager.
CVSS Base Score: 4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118404 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Affected Products and Versions
Affected Products and Versions of FlashSystem V840’s two node types
Storage Node
· Machine Type Models (MTMs) affected include 9846-AE1 and 9848-AE1
· Code versions affected include supported VRMFs:
o 1.4.0.0 – 1.4.5.1
o 1.3.0.0 – 1.3.0.6
Controller Node
· MTMs affected include 9846-AC0, 9848-AC0, 9846-AC1, and 9848-AC1
· Code versions affected include supported VRMFs:
o 7.7.0.0 – 7.7.1.5
o 7.8.0.0 – 7.8.0.1
Remediation/Fixes
|
V840 MTMs | VRMF | APAR | Remediation/First Fix |
| Storage nodes: 9846-AE1 & 9848-AE1 Controller nodes: 9846-AC0, 9846-AC1, 9848-AC0, & 9848-AC1 | Code fixes are now available, the minimum VRMF containing the fix depends on the code stream: Storage Node VRMF 1.4 stream: 1.4.6.0 1.3 stream: 1.3.0.7 Controller Node VRMF 7.7 stream: 7.7.1.6 7.8 stream: 7.8.0.2 | N/A | FlashSystem V840 fixes for storage and controller node are available @ IBM’s Fix Central |
Workarounds and Mitigations
None
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References
Acknowledgement
None
Change History
13 April 2017 Original Version Published
*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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
17 June 2018
UID
ssg1S1010108