CVE-2012-0217 Detail

Current Description

The x86-64 kernel system-call functionality in Xen 4.1.2 and earlier, as used in Citrix XenServer 6.0.2 and earlier and other products; Oracle Solaris 11 and earlier; illumos before r13724; Joyent SmartOS before 20120614T184600Z; FreeBSD before 9.0-RELEASE-p3; NetBSD 6.0 Beta and earlier; Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1; and possibly other operating systems, when running on an Intel processor, incorrectly uses the sysret path in cases where a certain address is not a canonical address, which allows local users to gain privileges via a crafted application. NOTE: because this issue is due to incorrect use of the Intel specification, it should have been split into separate identifiers; however, there was some value in preserving the original mapping of the multi-codebase coordinated-disclosure effort to a single identifier.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

Evaluator Impact

Per: http://technet.microsoft.com/en-us/security/bulletin/ms12-042 'This vulnerability only affects Intel x64-based versions of Windows 7 and Windows Server 2008 R2. Systems with AMD or ARM-based CPUs are not affected by this vulnerability.'

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://blog.illumos.org/2012/06/14/illumos-vulnerability-patched/
http://blog.xen.org/index.php/2012/06/13/the-intel-sysret-privilege-escalation/
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2012-003.txt.asc
http://lists.xen.org/archives/html/xen-announce/2012-06/msg00001.html
http://lists.xen.org/archives/html/xen-devel/2012-06/msg01072.html
http://security.freebsd.org/advisories/FreeBSD-SA-12:04.sysret.asc
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://smartos.org/2012/06/15/smartos-news-3/
http://support.citrix.com/article/CTX133161
http://wiki.smartos.org/display/DOC/SmartOS+Change+Log#SmartOSChangeLog-June14%2C2012
http://www.debian.org/security/2012/dsa-2501
http://www.debian.org/security/2012/dsa-2508
http://www.kb.cert.org/vuls/id/649219 US Government Resource 
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://www.oracle.com/technetwork/topics/security/cpuoct2012-1515893.html
http://www.us-cert.gov/cas/techalerts/TA12-164A.html US Government Resource 
https://bugzilla.redhat.com/show_bug.cgi?id=813428
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-042
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15596
https://www.exploit-db.com/exploits/28718/
https://www.exploit-db.com/exploits/46508/
https://www.illumos.org/issues/2873

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-0217
NVD Published Date:
06/12/2012
NVD Last Modified:
03/08/2019
Source:
MITRE