Security Advisory SA50493 - Xen Qemu Monitor Console Privilege Escalation Vulnerability

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Secunia Advisory SA50493

Xen Qemu Monitor Console Privilege Escalation Vulnerability

Secunia Advisory

SA50493

Release Date

2012-09-07

Last Update

2012-09-10

Popularity

1,509 view

Comments

0 comments

Criticality level

Less critical

Impact

Privilege escalation

Where

Local system

Authentication level

This information is available to Secunia VIM customers

Report reliability

This information is available to Secunia VIM customers

Solution Status

Vendor Patch

Systems affected

This information is available to Secunia VIM customers

Approve distribution

This information is available to Secunia VIM customers

Software:

Xen 4.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2012-4411 CVSS score available to Secunia VIM customers

Description

A vulnerability has been reported in Xen, which can be exploited by malicious, local users in a guest virtual machine to gain escalated privileges.

The vulnerability is caused due to an error within the VNC graphical display when handling certain key sequences and can be exploited to gain access to the hosts monitor console.

Successful exploitation requires that a graphical console is configured.

This is related to:
SA24575

The vulnerability is reported in versions 4.0 and later.

Solution
Apply patch.
Further details available to Secunia VIM customers

Provided and/or discovered by
Reported by the vendor.

Changelog
Further details available to Secunia VIM customers

Original Advisory
XSA-19:
http://lists.xen.org/archives/html/xen-announce/2012-09/msg00007.html
http://lists.xen.org/archives/html/xen-announce/2012-09/msg00008.html

Other references
Further details available to Secunia VIM customers

Alternate/detailed remediation
Further details available in Customer Area

Deep Links
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Xen Qemu Monitor Console Privilege Escalation Vulnerability

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Secunia Advisory SA50493

Xen Qemu Monitor Console Privilege Escalation Vulnerability

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