Security Bulletin
Summary
Apache Tomcat Commons FileUpload Vulnerability
Vulnerability Details
This bulletin relates to vulnerabilities in the Apache Tomcat component which is used to provide the product’s management GUI. The CLI interface is unaffected.
CVEID: CVE-2016-3092
DESCRIPTION: Apache Tomcat is vulnerable to a denial of service, caused by an error in the Apache Commons FileUpload component. By sending file upload requests, an attacker could exploit this vulnerability to cause the server to become unresponsive.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114336 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:L)
Affected Products and Versions
IBM SONAS
The product is affected when running a code releases 1.5.0.0 to 1.5.2.4
Remediation/Fixes
A fix for this issue is in version 1.5.2.5 of IBM SONAS. Customers running an affected version of SONAS should upgrade to 1.5.2.5 or a later version, so that the fix gets applied.
Please contact IBM support for assistance in upgrading your system.
Workarounds and Mitigations
Workaround :
System administrators should restrict the permitted maximum size of HTTP request
header values (For example, Apache Httpd provides a
LimitRequestFieldSize directive,
and Apache Tomcat provides a maxHttpHeaderSize attribute in their respective configuration files). A maximum header value size of 2048 bytes would block all dangerous request.
Mitigation: No
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References
Change History
31 Oct 2016: First draft
*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
ssg1S1009569