Vulnerability-Lookup

CERTFR-2016-AVI-301

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été corrigées dans Xen. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service et une atteinte à la confidentialité des données.

Solution

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

Xen toutes versions sans le dernier correctif de sécurité

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2016-7092 (GCVE-0-2016-7092)

Vulnerability from cvelistv5 – Published: 2016-09-21 14:00 – Updated: 2024-08-06 01:50

Summary

The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

8 references

URL	Tags
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://xenbits.xen.org/xsa/xsa185.patch	x_refsource_CONFIRM
http://www.debian.org/security/2016/dsa-3663	vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/92862	vdb-entryx_refsource_BID
http://support.citrix.com/article/CTX216071	x_refsource_CONFIRM
http://xenbits.xen.org/xsa/advisory-185.html	x_refsource_CONFIRM
https://security.gentoo.org/glsa/201611-09	vendor-advisoryx_refsource_GENTOO
http://www.securitytracker.com/id/1036751	vdb-entryx_refsource_SECTRACK

Date Public

2016-09-08 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2016-7093 (GCVE-0-2016-7093)

Vulnerability from cvelistv5 – Published: 2016-09-21 14:00 – Updated: 2024-08-06 01:50

Summary

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

6 references

URL	Tags
http://xenbits.xen.org/xsa/advisory-186.html	x_refsource_CONFIRM
http://www.securityfocus.com/bid/92865	vdb-entryx_refsource_BID
http://xenbits.xen.org/xsa/xsa186-0001-x86-emulat…	x_refsource_CONFIRM
http://support.citrix.com/article/CTX216071	x_refsource_CONFIRM
http://www.securitytracker.com/id/1036752	vdb-entryx_refsource_SECTRACK
https://security.gentoo.org/glsa/201611-09	vendor-advisoryx_refsource_GENTOO

Date Public

2016-09-08 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2016-7094 (GCVE-0-2016-7094)

Vulnerability from cvelistv5 – Published: 2016-09-21 14:00 – Updated: 2024-08-06 01:50

Summary

Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

8 references

URL	Tags
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://www.debian.org/security/2016/dsa-3663	vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/92864	vdb-entryx_refsource_BID
http://xenbits.xen.org/xsa/advisory-187.html	x_refsource_CONFIRM
http://support.citrix.com/article/CTX216071	x_refsource_CONFIRM
http://www.securitytracker.com/id/1036753	vdb-entryx_refsource_SECTRACK
https://security.gentoo.org/glsa/201611-09	vendor-advisoryx_refsource_GENTOO
http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow…	x_refsource_CONFIRM

Date Public

2016-09-08 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2016-7154 (GCVE-0-2016-7154)

Vulnerability from cvelistv5 – Published: 2016-09-21 14:00 – Updated: 2024-08-06 01:50

Summary

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

8 references

URL	Tags
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/92863	vdb-entryx_refsource_BID
http://xenbits.xen.org/xsa/advisory-188.html	x_refsource_CONFIRM
http://www.debian.org/security/2016/dsa-3663	vendor-advisoryx_refsource_DEBIAN
http://xenbits.xen.org/xsa/xsa188.patch	x_refsource_CONFIRM
http://www.c7zero.info/stuff/csw2017_ExploringYou…	x_refsource_MISC
http://support.citrix.com/article/CTX216071	x_refsource_CONFIRM
http://www.securitytracker.com/id/1036754	vdb-entryx_refsource_SECTRACK

Date Public

2016-09-08 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CERTFR-2016-AVI-301

Solution

CVE-2016-7092 (GCVE-0-2016-7092)

CVE-2016-7093 (GCVE-0-2016-7093)

CVE-2016-7094 (GCVE-0-2016-7094)

CVE-2016-7154 (GCVE-0-2016-7154)

Tags

Sightings

Nomenclature