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CVE-2012-5525

Date: December 13, 2012

The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.

Language: C

Severity Score

7.1

Related Resources (9)

Url: http://www.osvdb.org/88133

Url: http://secunia.com/advisories/51397

Url: http://secunia.com/advisories/55082

Url: http://security.gentoo.org/glsa/glsa-201309-24.xml

Url: http://www.securityfocus.com/bid/56805

Url: https://nvd.nist.gov/vuln/detail/CVE-2012-5525

Url: http://www.openwall.com/lists/oss-security/2012/12/03/6

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/80480

Url: https://www.mend.io/vulnerability-database/CVE-2012-5525

Severity Score

7.1

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:	7.1
Attack Vector (AV):	ADJACENT_NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	4.7
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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