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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.6295 CVE-2014-4700 - Vulnerability in Citrix XenDesktop could result in unauthorized access to another user's desktop 2 December 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: XenDesktop Publisher: Citrix Operating System: Windows Resolution: Patch/Upgrade CVE Names: CVE-2014-4700 Original Bulletin: https://support.citrix.com/article/CTX139591/cve20144700-vulnerability-in-citrix-xendesktop-could-result-in-unauthorized-access-to-another-users-desktop Comment: CVSS (Max): None available when published - --------------------------BEGIN INCLUDED TEXT-------------------- CVE-2014-4700 - Vulnerability in Citrix XenDesktop could result in unauthorized access to another user's desktop Reference: CTX139591 Category : High Created : 10 July 2014 Modified : 15 August 2019 Applicable Products o XenDesktop 5.6 Common Criteria Description of Problem A vulnerability has been identified in Citrix XenDesktop that could result in a user gaining unauthorized interactive access to another user's desktop. This vulnerability affects a specific, non-default configuration of Citrix XenDesktop 7 (all versions up to and including 7.5), Citrix XenDesktop 5 (up to and including Rollup 5.6.300 for Citrix XenDesktop 5.6 FP1) and Citrix XenDesktop 4 (all versions). This vulnerability only affects Citrix XenDesktop deployments that use pooled random desktop groups and where the broker configuration setting ShutdownDesktopsAfterUse is set to disabled. Configurations that only use assigned desktop groups, including RemotePC access scenarios and user-dedicated desktops, are not affected by this issue. This vulnerability has been assigned the following CVE number: o CVE-2014-4700: Vulnerability in Citrix XenDesktop versions 7.x, 5.x and 4.x could result in unauthorized access to another user's desktop. Mitigating Factors The configuration setting ShutdownDesktopsAfterUse is enabled by default in configurations that use pooled desktops groups to reset the disk image and clean the desktop. For more details, please see the following Citrix Knowledgebase article: https://support.citrix.com/article/CTX127842 What Customers Should Do Updates to Citrix XenDesktop have been released to address this issue. Citrix strongly recommends that affected customers apply these updates as soon as possible. The hotfixes for Citrix XenDesktop 7.1 and 7.5 can be downloaded from the following locations: CTX140362 - Hotfix XD710ICAWSWX86005 - For VDA Core Services 7.1/7.5 for Windows Desktop OS (32-bit) - English CTX140363 - Hotfix XD710ICAWSWX64005 - For VDA Core Services 7.1/7.5 for Windows Desktop OS (64-bit) - English A VDA Rollup for Citrix XenDesktop 5.6 FP1 can be downloaded from the following location: CTX138550 - Hotfix Rollup XD560VDAWX86400 (Version 5.6.400) - For Citrix XenDesktop Virtual Desktop Agent Core Services x86 - English CTX138551 - Hotfix Rollup XD560VDAWX64400 (Version 5.6.400) - For Citrix XenDesktop Virtual Desktop Agent Core Services x64 - English - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBY4mKxskNZI30y1K9AQh4shAAo5AQ8Dls9JJgXzg2GezQ2mLbBQuQtq2R M8ZYYP19VuFcttSQ2zgyTz69+6QzMsPBCTtvbGjFje5KGVPoun/32ac3SuwbbKMN zl/nh8NL07NGpNc+y4Drd/XdCnGqKV0NPPkIs4TwZ77y2fP5qMezyiC0oRH66J2J HK8hMoZUOc6roj0TcXGThEPvmN+lrSPv7zuxjXWaqFvJZXl/dSmX3d2U5JVyzRiQ nmPf9tpURxYlzOzIroxDRcUT9pAR4gff4PpALQouRP772OSUlKYU8S1scnEo4jh4 AlkmdU7R+gj2eJ0ext6y4941vWmLnifz08ScWkSbuLNLWwhAnpxU40D4Fij1MIAL MCEJ3q+wU9SGraYTn5U5YasL9P6fBw0x75wbJK4/H1+QKOulBL8YZ1XQXBUDWstZ W55Lp9AxZamZkNHO4Fsly7luF+BRsEPHLP6J+/Q/srs2ZHhOsCdqdwOCcvj49UHv Mz8Kf/vUDaLnwnUFdSFao4NjX8ul2c6qfz1wdZR6TOuBL+hp/xFh3SN4wg3tBwg0 5yNbBP99ji5op5MYIC5EpQ4mFLSwO0OawSnO8rrW9KOt1vZF9QOJqaOV/FVMTrCI TwbCvvIeSZmsEtPHAsL2rGcVEEpuiV8voW8ch1huh5xMVCXKFbwve0NsbEht5up9 ZBY3rpGhsL4= =V/3l -----END PGP SIGNATURE-----