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Vulnerability Details : CVE-2013-3660 (1 public exploit)

The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, and Windows Server 2012 does not properly initialize a pointer for the next object in a certain list, which allows local users to obtain write access to the PATHRECORD chain, and consequently gain privileges, by triggering excessive consumption of paged memory and then making many FlattenPath function calls, aka "Win32k Read AV Vulnerability."
Publish Date : 2013-05-24 Last Update Date : 2013-11-02
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- CVSS Scores & Vulnerability Types

CVSS Score
6.9
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) OverflowGain privileges
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
Win32k Read AV Vulnerability - CVE-2013-3660 (MS13-053) oval:org.mitre.oval:def:17360 windows
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-3660

# Product Type Vendor Product Version Update Edition Language
1 OS Microsoft Windows 7 SP1 X86 Version Details Vulnerabilities
2 OS Microsoft Windows 8 - - X86 Version Details Vulnerabilities
3 OS Microsoft Windows Server 2003 SP2 Version Details Vulnerabilities
4 OS Microsoft Windows Server 2008 SP2 Version Details Vulnerabilities
5 OS Microsoft Windows Server 2008 R2 SP1 Version Details Vulnerabilities
6 OS Microsoft Windows Server 2012 - Version Details Vulnerabilities
7 OS Microsoft Windows Vista SP2 Version Details Vulnerabilities
8 OS Microsoft Windows Xp SP3 Version Details Vulnerabilities
9 OS Microsoft Windows Xp SP2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Windows 7 1
Microsoft Windows 8 1
Microsoft Windows Server 2003 1
Microsoft Windows Server 2008 2
Microsoft Windows Server 2012 1
Microsoft Windows Vista 1
Microsoft Windows Xp 2

- References For CVE-2013-3660

http://www.us-cert.gov/ncas/alerts/TA13-190A
CERT TA13-190A
http://technet.microsoft.com/en-us/security/bulletin/ms13-053
Microsoft Security Bulletin MS13-053 MS13-053 - Critical : Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2850851) - Version: 1.0 Severity Rating: Critical Revision Note: V1.0 (July 9, 2013): Bulletin published. Summary: This security update resolves two publicly disclosed and six privately reported vulnerabilities in Microsoft Windows. The most severe vulnerability could allow remote code execution if a user views shared content that embeds TrueType font files. An attacker who successfully exploited this vulnerability could take complete control of an affected system.Release Date:2013-07-09
http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0090.html
FULLDISC 20130517 exploitation ideas under memory pressure
http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0094.html
FULLDISC 20130517 Re: exploitation ideas under memory pressure
http://secunia.com/advisories/53435
SECUNIA 53435
http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0006.html
FULLDISC 20130603 Re: exploitation ideas under memory pressure
http://twitter.com/taviso/statuses/309157606247768064
http://twitter.com/taviso/statuses/335557286657400832
Exploit! http://www.exploit-db.com/exploits/25611
EXPLOIT-DB 25611 win32k!EPATHOBJ::pprFlattenRec Uninitialized Next Pointer Testcase Author:Tavis Ormandy Release Date:2013-05-21 (windows) dos
http://www.computerworld.com/s/article/9239477
http://www.osvdb.org/93539
OSVDB 93539
http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discloses-windows-flaw
http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vulnerability/

- Metasploit Modules Related To CVE-2013-3660

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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