PT-2007-4154 · Citrix · Citrix Metaframe Presentation Server+1

Published 2007-05-24 · Updated 2017-07-29 · CVE-2007-2850

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Citrix MetaFrame Presentation Server versions 3.0 through 4.0 Citrix Access Essentials versions 1.0 through 1.5

Description The issue allows remote attackers to bypass network security policies and connect to arbitrary TCP ports via a modified address:port string. This is related to the Session Reliability Service (XTE) in the affected Citrix products.

Recommendations For Citrix MetaFrame Presentation Server versions 3.0 through 4.0, restrict access to the Session Reliability Service (XTE) to minimize the risk of exploitation. For Citrix Access Essentials versions 1.0 through 1.5, consider disabling the Session Reliability Service (XTE) until a fix is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2007-2850

Affected Products

Citrix Access Essentials

Citrix Metaframe Presentation Server

References · 11

• http://secunia.com/advisories/25371 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2007-2850 · Security Note
• http://fortconsult.net/images/pdf/Citrix_Session-Reliability_OpenProxy.pdf · Note
• http://xforce.iss.net/xforce/xfdb/34448 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/34448 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2850 · Note
• http://support.citrix.com/article/CTX112964 · Note
• http://frsirt.com/english/advisories/2007/1918 · Note
• http://fortconsult.net/files/fortconsult.dk/citrix_advisory.pdf · Note
• http://securitytracker.com/id?1018098 · Note
• http://vupen.com/english/advisories/2007/1918 · Note