CVE-2018-16887: XSS
First published: Thu Nov 01 2018(Updated: )
A cross-site scripting (XSS) flaw was found in the katello component of Satellite. An attacker with privilege to create/edit organizations and locations is able to execute a XSS attacks against other users through the Subscriptions or the Red Hat Repositories wizards. This can possibly lead to malicious code execution and extraction of the anti-CSRF token of higher privileged users. Versions before 3.9.0 are vulnerable.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/katello | <3.9.0 | 3.9.0 |
| Red Hat Satellite | =6.0 | |
| Katello | <3.9.0 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2019:1222
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16887
- https://projects.theforeman.org/issues/25182
- https://github.com/Katello/katello/pull/7757
- https://projects.theforeman.org/projects/katello/repository/revisions/17451c950201bedec9bdd3748e17863b550a6be2
- https://bugzilla.redhat.com/show_bug.cgi?id=1645190
Frequently Asked Questions
What is the severity of CVE-2018-16887?
CVE-2018-16887 is classified as a moderate severity vulnerability due to the potential for cross-site scripting attacks.
How do I fix CVE-2018-16887?
To mitigate CVE-2018-16887, update the katello package to version 3.9.0 or later.
Who is affected by CVE-2018-16887?
CVE-2018-16887 affects users with privileges to create or edit organizations and locations in Satellite and Katello.
What types of attacks are possible with CVE-2018-16887?
An attacker could leverage CVE-2018-16887 to perform cross-site scripting attacks against other users.
What components are impacted by CVE-2018-16887?
CVE-2018-16887 impacts the katello component of Red Hat Satellite.
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