Vulnerability Monitor

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CVE-2017-7228

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.

Published

2017-04-04T14:59:00.243

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-129

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	xen	xen	-	Yes

References

http://openwall.com/lists/oss-security/2017/04/04/3 Mailing List, Third Party Advisory ([email protected])
http://www.debian.org/security/2017/dsa-3847 ([email protected])
http://www.securityfocus.com/bid/97375 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1038223 ([email protected])
http://xenbits.xen.org/xsa/advisory-212.html Patch, Vendor Advisory ([email protected])
https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-029-2017.txt ([email protected])
https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xen.html Technical Description, Third Party Advisory ([email protected])
https://www.exploit-db.com/exploits/41870/ ([email protected])
http://openwall.com/lists/oss-security/2017/04/04/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2017/dsa-3847 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/97375 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038223 (af854a3a-2127-422b-91ae-364da2661108)
http://xenbits.xen.org/xsa/advisory-212.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-029-2017.txt (af854a3a-2127-422b-91ae-364da2661108)
https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xen.html Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/41870/ (af854a3a-2127-422b-91ae-364da2661108)