Xen 3.3 - XenStore Domain Configuration Data Unsafe Storage



EKU-ID: 37356 CVE: CVE-2008-4405;OSVDB-48894 OSVDB-ID:
Author: Pascal Bouchareine Published: 2008-09-30 Verified: Verified
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source: https://www.securityfocus.com/bid/31499/info

Xen is prone to a vulnerability that results in configuration information being stored in a location that is writable by guest domains.

UPDATE (December 19, 2008): The initial proposed patches did not resolve this issue.

Xen 3.3 is vulnerable; other versions may also be affected.

#yum install xen
# xenstore-write /local/domain/GUEST-DOMID/console/tty /i/am/the/evil/guest