Summaryinfo

A vulnerability, which was classified as critical, has been found in Citrix XenMobile Server up to 10.7 RP2/10.8 RP1. Affected by this issue is some unknown functionality of the component XML Handler. The manipulation leads to xml external entity reference. This vulnerability is handled as CVE-2018-10653. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability classified as critical was found in Citrix XenMobile Server up to 10.7 RP2/10.8 RP1 (Connectivity Software). Affected by this vulnerability is an unknown part of the component XML Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

There is an XML External Entity (XXE) Processing Vulnerability in Citrix XenMobile Server 10.8 before RP2 and 10.7 before RP3.

The bug was discovered 05/21/2018. The weakness was published 05/23/2018 (Website). It is possible to read the advisory at support.citrix.com. This vulnerability is known as CVE-2018-10653 since 05/02/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 10.7 RP3 or 10.8 RP2 eliminates this vulnerability.

Similar entries are available at VDB-118130, VDB-118131, VDB-118132 and VDB-118133. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Connectivity Software

Vendor

• Citrix

Name

• XenMobile Server

Version

• 10.7 RP2
• 10.8 RP1

License

• commercial

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