certfr_avis - certa-2007-avi-532

CERTA-2007-AVI-532

Vulnerability from certfr_avis

Une vulnérabilité permettant de contourner la politique de sécurité a été découverte dans Xen.

Description

Une vulnérabilité a été découverte dans le logiciel de virtualisation Xen. Cette vulnérabilité présente dans la fonction mov_to_rr() peut être exploitée par un utilisateur mal intentionné afin de contourner les mécanismes de sécurité et de lire la mémoire d'un domaine VT-i depuis un autre domaine VT-i.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Xen versions antérieures à la version 3.1.2 fonctionnant sur les achitectures IA64.

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2007-6207 (GCVE-0-2007-6207)

Vulnerability from cvelistv5

Published

2007-12-04 00:00

Modified

2024-08-07 15:54

Severity ?

CWE

Summary

Xen 3.x, possibly before 3.1.2, when running on IA64 systems, does not check the RID value for mov_to_rr, which allows a VTi domain to read memory of other domains.

References

URL

Tags

	http://osvdb.org/41341	vdb-entry, x_refsource_OSVDB
	http://www.redhat.com/support/errata/RHSA-2008-0154.html	vendor-advisory, x_refsource_REDHAT
	http://lists.xensource.com/archives/html/xen-announce/2007-11/msg00000.html	x_refsource_MISC
	http://secunia.com/advisories/27915	third-party-advisory, x_refsource_SECUNIA
	http://secunia.com/advisories/29236	third-party-advisory, x_refsource_SECUNIA
	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9471	vdb-entry, signature, x_refsource_OVAL
	http://lists.xensource.com/archives/html/xen-ia64-devel/2007-10/msg00189.html	mailing-list, x_refsource_MLIST
	http://www.securityfocus.com/bid/26716	vdb-entry, x_refsource_BID

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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