Published: August 9, 2017
Last Update: August 9, 2017
A vulnerability scan of the ACOS management interface indicated that the Web/GUI access service was potentially exposed to Cross Site Scripting (XSS) attacks for a selected set of help pages. Accordingly, the following vulnerabilities are addressed in this document.
||Cross-Site Scripting (XSS) - DOM - a10help
(a) A10 Networks, Inc. assigned identifier.
The table below indicates releases of ACOS exposed to these vulnerabilities and ACOS releases that address these issues or are otherwise unaffected by them.
Customers using affected ACOS releases can overcome vulnerability exposures by updating to the indicated resolved release. If the table does not list a corresponding resolved or unaffected release, then no ACOS release update is currently available.
||Releases Resolved or Unaffected
|4.1.1 – 4.1.1-P1
|4.1.0 – 4.1.0-P7
|3.1.0-P1 – 3.2.1-P1
||2.8.2, 2.7.2, 2.7.1, 2.6.1-GR1 (a)
(a) Including all updates to the release(s).
Workarounds and Mitigations
Common security best practices in the industry for network appliance management and control planes can enhance protection against remote malicious attacks. Limit the exploitable attack surface for critical, infrastructure, networking equipment through the use of access lists or firewall filters to and from only trusted, administrative networks or hosts.
The following table shares brief descriptions for the vulnerabilities addressed in this document.
The page gui/static/a10help/index.html suffers from a Cross-site Scripting (XSS) vulnerability.
Steps to reproduce:
2. Observe that XSS executes. In chrome, observe a popup indicating "An embedded page on this webpage says domain.name.of.device/DUT"