This Security Bulletin addresses vulnerabilities that have been addressed in IBM Cognos Analytics 11.1.4 and 11.0.13 FP2.
A vulnerability has been addressed where a parameter in a Cognos URL can be modified such that Cognos HTTP messages are forwarded to a hostile server. (CVE-2018-1721)
A vulnerability has been addressed where the The X-Powered-By attribute is being returned in the HTTP response header in IBM Cognos Analytics. This information might help an attacker gain a greater understanding of the systems in use and potentially develop further attacks targeted at the specific version of the web server. (CVE-2019-4334)
A vulnerability has been addressed in IBM Cognos Analytics 11.1.4 where the product could be vulnerable to a cross-sire scripting (XSS) attack in the Assistant Search tab via .xlsx file upload. (CVE-2019-4645). This vulnerability was not applicable in IBM Cognos Analytics 11.0.x.
DESCRIPTION: IBM Cognos Analytics is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or cause the web server to make HTTP requests to arbitrary domains.
CVSS Base Score: 8.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/147369 for the current score
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L)
DESCRIPTION: IBM Cognos Analytics could reveal sensitive information to an authenticated user that could be used in future attacks against the system.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/161271 for the current score
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
DESCRIPTION: IBM Cognos Analytics could be vulnerable to a XSS attack in the Assistant Search tab via .xlsx file upload.
CVSS Base Score: 6.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/170881 for the current score
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/)
Affected Products and Versions
Workarounds and Mitigations
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CVE-2018-1721: This vulnerability was reported to IBM by Jarad Kopf
CVE-2019-4645: This vulnerability was reported to IBM by Jettapol Pumwattanakul
5 November 2019: 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.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Internal Use Only
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05 November 2019