certfr_avis - CERTFR-2017-AVI-101

CERTFR-2017-AVI-101

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été corrigée dans Xen. Elle permet à un attaquant de provoquer un déni de service, une atteinte à la confidentialité des données et une élévation de privilèges.

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-2017-7228 (GCVE-0-2017-7228)

Vulnerability from cvelistv5 – Published: 2017-04-04 14:00 – Updated: 2024-08-05 15:56

Summary

An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.securityfocus.com/bid/97375	vdb-entryx_refsource_BID
	http://xenbits.xen.org/xsa/advisory-212.html	x_refsource_CONFIRM
	http://openwall.com/lists/oss-security/2017/04/04/3	x_refsource_CONFIRM
	https://github.com/QubesOS/qubes-secpack/blob/mas…	x_refsource_CONFIRM
	http://www.debian.org/security/2017/dsa-3847	vendor-advisoryx_refsource_DEBIAN
	https://www.exploit-db.com/exploits/41870/	exploitx_refsource_EXPLOIT-DB
	https://googleprojectzero.blogspot.com/2017/04/pa…	x_refsource_MISC
	http://www.securitytracker.com/id/1038223	vdb-entryx_refsource_SECTRACK

Show details on NVD website

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Sightings

Author	Source	Type	Date

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.

Action not permitted