Privilege escalation

Citrix XenServer 4.1, 6.0, 5.6 SP2, 5.6 Feature Pack 1, 5.6 Common Criteria, 5.6, 5.5, 5.0, and 5.0 Update 3 contains a Local Privilege Escalation Vulnerability which could allow local users with access to a guest operating system to gain elevated privileges...

CVE-2012-4606

Citrix XenServer 4.1, 6.0, 5.6 SP2, 5.6 Feature Pack 1, 5.6 Common Criteria, 5.6, 5.5, 5.0, and 5.0 Update 3 contains a Local Privilege Escalation Vulnerability which could allow local users with access to a guest operating system to gain elevated privileges...

CVE-2012-4606

Citrix XenServer is affected by a Local Privilege Escalation vulnerability (CVE-2012-4606) in multiple releases: 4.1, 6.0, 5.6 SP2, 5.6 FP1, 5.6, 5.5, 5.0, and 5.0 Update 3. The flaw enables local users with access to a guest OS to gain elevated privileges on the host. Exploitation details or exa...

CVE-2012-4606: Improper Privilege Management

Citrix XenServer 4.1, 6.0, 5.6 SP2, 5.6 Feature Pack 1, 5.6 Common Criteria, 5.6, 5.5, 5.0, and 5.0 Update 3 contains a Local Privilege Escalation Vulnerability which could allow local users with access to a guest operating system to gain elevated privileges...

Xen CVE-2019-19583 Denial of Service Vulnerability

Description Xen is prone to a denial-of-service vulnerability. Attackers can exploit this issue to crash the affected application, denying service to legitimate users. Xen Xen version through 4.12.0 are vulnerable. Technologies Affected Citrix Hypervisor 8.0 Citrix XenServer 7.0 Citrix XenServer...

Xen CVE-2019-19580 Incomplete Fix Local Privilege Escalation Vulnerability

Description Xen is prone to a local privilege-escalation vulnerability. Local attacker can exploit this issue to gain elevated privileges on affected computers. Xen version 4.12.x and prior are vulnerable. Technologies Affected Citrix Hypervisor 8.0 Citrix XenServer 7.0 Citrix XenServer 7.1 LTSR...

Xen CVE-2019-19577 Denial of Service Vulnerability

Description Xen is prone to a denial-of-service vulnerability. Attackers can exploit this issue to crash the affected application, denying service to legitimate users. Xen Xen version through 4.12.0 are vulnerable. Technologies Affected Citrix Hypervisor 8.0 Citrix XenServer 7.0 Citrix XenServer...

Citrix Xenserver Directory Traversal (CVE-2018-14007)

A directory traversal vulnerability exists in citrix xenserver. Successful exploitation of this vulnerability would allow a remote attacker to list directories on the affected system...

Multiple Intel Processors Side Channel CVE-2019-11135 Information Disclosure Vulnerability

Description Multiple Intel Processors are prone to a local information-disclosure vulnerability. A local attacker can leverage this issue to obtain sensitive information that may aid in further attacks. Technologies Affected Citrix Hypervisor 8.0 Citrix XenServer 7.0 Citrix XenServer 7.1 LTSR CU2...

Multiple Intel Processors CVE-2018-12207 Denial of Service Vulnerability

Description Multiple Intel Processors are prone to a denial of service vulnerability. An attacker can exploit this issue to cause a denial-of-service condition. Technologies Affected Citrix Hypervisor 8.0 Citrix XenServer 7.0 Citrix XenServer 7.1 LTSR CU2 Citrix XenServer 7.6 Intel 2nd generation...

Xen CVE-2019-18425 Privilege Escalation Vulnerability

Description Xen is prone to a privilege-escalation vulnerability. An attacker can exploit this issue to gain elevated privileges, obtain sensitive information or cause denial-of-service conditions. Technologies Affected Citrix Hypervisor 8.0 Citrix XenServer 7.0 Citrix XenServer 7.1 LTSR CU2 Citr...

Xen CVE-2019-18421 Privilege Escalation Vulnerability

Description Xen is prone to a privilege-escalation vulnerability. An attacker can exploit this issue to gain elevated privileges, obtain sensitive information or cause denial-of-service conditions. Technologies Affected Citrix Hypervisor 8.0 Citrix XenServer 7.0 Citrix XenServer 7.1 LTSR CU2 Citr...

Xen CVE-2019-18424 Privilege Escalation Vulnerability

Description Xen is prone to a privilege-escalation vulnerability. An attacker can exploit this issue to gain elevated privileges on the affected system. Technologies Affected Citrix Hypervisor 8.0 Citrix XenServer 7.0 Citrix XenServer 7.1 LTSR CU2 Citrix XenServer 7.6 Xen Xen 3.2.0 Xen Xen 3.2.1...

Collect a complete memory dump on a MCS (non-persistent) machine on XenServer (Citrix Hypervisor)

This article outlines the steps to collect complete memory dump on a MCS non-persistent machine on XenServer Citrix Hypervisor. Often we are not able to get the memory dump in instances where MCS provisioned VDAs show behaviors like unresponsiveness/hang. The reason being the machine fails to sav...

CVE-2014-3798

The Windows Guest Tools in Citrix XenServer 6.2 SP1 and earlier allows remote attackers to cause a denial of service guest OS crash via a crafted Ethernet frame...

Design/Logic Flaw

The Windows Guest Tools in Citrix XenServer 6.2 SP1 and earlier allows remote attackers to cause a denial of service guest OS crash via a crafted Ethernet frame...

CVE-2014-3798

The CVE concerns Citrix XenServer Windows Guest Tools (XenServer Tools) for Windows guests, with vulnerability in the xenvif-facing handling that allows a remote, unauthenticated attacker to crash the guest OS by sending specially crafted Ethernet frames. Affected versions include XenServer 6.2 S...

CVE-2014-3798

The Windows Guest Tools in Citrix XenServer 6.2 SP1 and earlier allows remote attackers to cause a denial of service guest OS crash via a crafted Ethernet frame...

CVE-2014-3798: Improper Input Validation

The Windows Guest Tools in Citrix XenServer 6.2 SP1 and earlier allows remote attackers to cause a denial of service guest OS crash via a crafted Ethernet frame...

Citrix XenServer Microarchitectural Data Sampling Speculative Side-Channel Vulnerabilities (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (CTX2251995)

The version of Citrix XenServer running on the remote host is missing a security hotfix. It is, therefore, affected by microarchitectural data sampling speculative side-channel vulnerabilities. These vulnerabilities may allow a local attacker on a guest machine to sample the contents of memory...