CVE-2016-8999 Cross-site scripting in InfoSphere Information Server

Medium 5.4 Published Updated

Attackers can inject malicious CSS via path-relative stylesheet imports, potentially leading to code execution in IBM InfoSphere Information Server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2016-8999?

CVE-2016-8999 is a medium-severity cross-site scripting vulnerability in Ibm Infosphere Information Server, published on 1 Feb 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

IBM InfoSphere Information Server contains a Path-relative stylesheet import vulnerability that allows attackers to render a page in quirks mode thereby facilitating an attacker to inject malicious CSS.

Weakness: CWE-79

Which versions are affected by CVE-2016-8999?

It affects 3 products.

Products include Ibm Infosphere Datastage, Ibm Infosphere Information Server, Ibm Infosphere Information Server on Cloud.

How do I fix CVE-2016-8999?

No fix has been published for CVE-2016-8999 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2016-8999 being exploited?

There is no known exploitation of CVE-2016-8999 in the wild and no public exploit code.

All Ibm Infosphere Information Server vulnerabilities

Sources

Also known as GHSA-2r9p-x5v3-jc5q.

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