Proxmox Mail Gateway up to 4.0 /users/index.htm cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in Proxmox Mail Gateway up to 4.0. Affected is an unknown function of the file /users/index.htm. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2015-9057. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Proxmox Mail Gateway up to 4.0. It has been declared as problematic. Affected by this vulnerability is an unknown code of the file /users/index.htm. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Multiple cross-site scripting (XSS) vulnerabilities in Proxmox Mail Gateway prior to hotfix 4.0-8-097d26a9 allow remote attackers to inject arbitrary web script or HTML via multiple parameters, related to /users/index.htm, /quarantine/spam/manage.htm, /quarantine/spam/whitelist.htm, /queues/mail/index/, /system/ssh.htm, /queues/mail/?domain=, and /quarantine/virus/manage.htm.

The bug was discovered 12/30/2015. The weakness was published 05/03/2017 (Website). The advisory is shared at trustwave.com. This vulnerability is known as CVE-2015-9057 since 05/03/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 490 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:users/index.htm it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 4.0-8-097d26a9 eliminates this vulnerability.

Similar entry is available at VDB-100826. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Proxmox

Name

• Mail Gateway

Version

• 4.0

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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