CVE-2016-8931 IBM CVE debrief

Who should care

Administrators and security teams responsible for IBM Kenexa LMS deployments, especially environments running affected versions 4.1 through 5.2. Systems exposed to untrusted users or external access should be prioritized for review.

Technical summary

NVD lists the vulnerable IBM Kenexa LMS versions as 4.1, 4.2, 4.2.2, 4.2.3, 4.2.4, 5.0, 5.1, and 5.2. The issue is described as a remote arbitrary file upload condition that could lead to arbitrary code execution on the affected server. NVD classifies the weakness as CWE-284 and records the vulnerability as requiring low attack complexity, with no user interaction and only low privileges.

Defensive priority

High. The combination of remote reachability, code execution impact, and affected enterprise LMS versions makes this a priority remediation item for any environment that still runs the impacted product releases.

Recommended defensive actions

• Identify whether IBM Kenexa LMS is deployed in your environment and inventory the specific version in use.
• Compare installed versions against the affected NVD CPE list: 4.1, 4.2, 4.2.2, 4.2.3, 4.2.4, 5.0, 5.1, and 5.2.
• Apply the IBM PSIRT-referenced patch or vendor guidance from the IBM support advisory.
• Review any file-upload functionality for least-privilege controls, validation, and access restrictions.
• Monitor affected hosts for suspicious uploads, unexpected executable content, and signs of unauthorized code execution.
• If remediation is not immediately possible, restrict access to the application and place compensating controls around upload paths and execution permissions.

Evidence notes

The description, severity, and attack vector are taken from the supplied NVD record. NVD also provides the affected IBM Kenexa LMS version list, CWE-284 mapping, and references to the IBM PSIRT advisory and SecurityFocus entry. The disclosure date used here is the CVE publishedAt timestamp supplied in the corpus (2017-02-01T22:59:00.883Z).

Official resources