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CVE-2013-1442

Date: September 30, 2013

Xen 4.0 through 4.3.x, when using AVX or LWP capable CPUs, does not properly clear previous data from registers when using an XSAVE or XRSTOR to extend the state components of a saved or restored vCPU after touching other restored extended registers, which allows local guest OSes to obtain sensitive information by reading the registers.

Language: C

Severity Score

Related Resources (8)

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://www.securitytracker.com/id/1029090
http://security.gentoo.org/glsa/glsa-201407-03.xml
http://www.openwall.com/lists/oss-security/2013/09/25/2
http://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html
https://nvd.nist.gov/vuln/detail/CVE-2013-1442
http://www.debian.org/security/2014/dsa-3006
https://www.mend.io/vulnerability-database/CVE-2013-1442

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

CVSS v3.1

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

CVSS v2

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

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