National Vulnerability Database

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    Vulnerabilities Detail

CVE-2012-6036 Detail

Description

The (1) memc_save_get_next_page, (2) tmemc_restore_put_page and (3) tmemc_restore_flush_page functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 do not check for negative id pools, which allows local guest OS users to cause a denial of service (memory corruption and host crash) or possibly execute arbitrary code via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.

Source:  MITRE
Description Last Modified:  11/23/2012

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.4 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html Vendor Advisory
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
http://www.openwall.com/lists/oss-security/2012/09/05/8
http://www.securityfocus.com/bid/55410
http://www.securitytracker.com/id?1027482
https://exchange.xforce.ibmcloud.com/vulnerabilities/78268
https://exchange.xforce.ibmcloud.com/vulnerabilities/80326
https://security.gentoo.org/glsa/201604-03

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-6036
NVD Published Date:
11/23/2012
NVD Last Modified:
08/28/2017