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CVE Reference: CVE-2012-0217

NOTE: The text on this page is written by CVE MITRE and reflects neither the opinions of Secunia or the results of our research. All data on this page is written and maintained by CVE MITRE.

Original Page at CVE MITRE:
CVE-2012-0217

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.

CVE Status:
Candidate

References:

SAID
  Secunia Advisory: SA55082

OVAL
  http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:15596

NETBSD
  http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2012-003.txt.asc

MS
  http://technet.microsoft.com/security/bulletin/MS12-042

MLIST
  http://lists.xen.org/archives/html/xen-devel/2012-06/msg01072.html
  http://lists.xen.org/archives/html/xen-announce/2012-06/msg00001.html

MANDRIVA
  http://www.mandriva.com/security/advisories?name=MDVSA-2013:150

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

FREEBSD
  http://security.freebsd.org/advisories/FreeBSD-SA-12:04.sysret.asc

DEBIAN
  http://www.debian.org/security/2012/dsa-2508
  http://www.debian.org/security/2012/dsa-2501

CONFIRM
  http://www.oracle.com/technetwork/topics/security/cpuoct2012-1515893.html
  http://support.citrix.com/article/CTX133161
  http://wiki.smartos.org/display/DOC/SmartOS+Change+Log#SmartOSChangeLog-June14%2C2012
  http://smartos.org/2012/06/15/smartos-news-3/
  http://blog.xen.org/index.php/2012/06/13/the-intel-sysret-privilege-escalation/
  http://blog.illumos.org/2012/06/14/illumos-vulnerability-patched/

CERT-VN
  649219

CERT
  http://www.us-cert.gov/cas/techalerts/TA12-164A.html


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