CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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4.0 | $0-$5k | 0.00 |
A vulnerability was found in Microsoft Windows 7/Server 2008 on 64-bit (Operating System). It has been rated as problematic. This issue affects some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, and integrity. The summary by CVE is:
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.
The weakness was published 06/12/2012 by Rafal Wojtczuk and Jan Beulich with Bromium & SuSE as MS12-042 as confirmed bulletin (Microsoft Technet). The advisory is shared at technet.microsoft.com. The public release has been coordinated with Microsoft. The identification of this vulnerability is CVE-2012-0217 since 12/14/2011. An attack has to be approached locally. A simple authentication is required for exploitation. Technical details are unknown but a private exploit is available.
It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 74682 (openSUSE Security Update : xen (openSUSE-SU-2012:0886-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370050 (Citrix XenServer Security Update (CTX133161)).
Applying the patch MS12-042 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (74682). Similar entries are available at 5523, 5529, 5555 and 5556.
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CPE 2.3
CPE 2.2
Video
CVSSv4
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CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.0
VulDB Base Score: 4.4
VulDB Temp Score: 4.0
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CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
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ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Access: Private
Status: Proof-of-Concept
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Nessus ID: 74682
Nessus Name: openSUSE Security Update : xen (openSUSE-SU-2012:0886-1)
Nessus File: 🔍
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OpenVAS ID: 71479
OpenVAS Name: Debian Security Advisory DSA 2501-1 (xen)
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: PatchStatus: 🔍
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Patch: MS12-042
Timeline
12/14/2011 🔍06/12/2012 🔍
06/12/2012 🔍
06/12/2012 🔍
06/12/2012 🔍
06/12/2012 🔍
06/13/2012 🔍
06/13/2014 🔍
03/25/2021 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: MS12-042
Researcher: Rafal Wojtczuk, Jan Beulich
Organization: Bromium & SuSE
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2012-0217 (🔍)
OVAL: 🔍
SecurityFocus: 53856 - Intel CPU Hardware Local Privilege Escalation Vulnerability
Secunia: 49454 - Microsoft Windows Kernel Two Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 82850
scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍
Entry
Created: 06/13/2012 17:11Updated: 03/25/2021 13:21
Changes: 06/13/2012 17:11 (78), 05/03/2019 07:01 (3), 03/25/2021 13:13 (2), 03/25/2021 13:16 (7), 03/25/2021 13:21 (1)
Complete: 🔍
Cache ID: 18:512:103
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