Astaro Gateway 8.101 Certificate cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in Astaro Gateway 8.101. Affected by this issue is some unknown functionality of the component Certificate. The manipulation results in cross site scripting. The attack may be performed from remote. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Astaro Gateway 8.101. Affected is an unknown code block of the component Certificate. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. This is going to have an impact on integrity.

The weakness was presented 12/26/2011 as VL-ID 193 as not defined advisory (Website). The advisory is shared for download at vulnerability-lab.com. The public release happened without coordination with the vendor. The exploitability is told to be easy. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

A public exploit has been developed in HTML/Javascript and been published immediately after the advisory. The exploit is shared for download at vulnerability-lab.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 196 days. During that time the estimated underground price was around $0-$5k. The code used by the exploit is:

<div style="left: 300px; top: 220px; z-index: 2000; visibility: visible;" class="iPopUp" id="iPopup_2"><div 
class="iPopUpTitle">Please confirm:</div><div class="iPopUpText"><p>&#8203;&#8203;&#8203;&#8203;&#8203;Are you sure that you want to delete the X509 certificate 
with private key object '>"<INCLUDED PERSISTENT SCRIPTCODE HERE!!!">'?</p></iframe></p></div><table border="0" 
cellpadding="0" cellspacing="0"><tbody><tr><td style="padding: 2px;"><div id="btnDefault_iPopup_2" class="button" style="width: 
auto; cursor: pointer; color: black; font-weight: bold;"><div class="button_left"></div><div class="button_center" style="width: 
auto;"><span style="font-weight: normal;">OK</span></div><div class="button_right"></div></div></td>&#8203;&#8203;&#8203;&#8203;&#8203;<td style="padding: 
2px;"><div class="button" style="width: auto; cursor: pointer; color: black;"><div class="button_left"></div><div 
class="button_center" style="width: auto;"><span style="font-weight: normal;">Cancel</span></div><div 
class="button_right"></div></div></td></tr></tbody></table></div>

Upgrading to version 8.301 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

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Productinfo

Vendor

• Astaro

Name

• Gateway

Version

• 8.101

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

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Entryinfo

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