Overview of the September 2013 Microsoft patches and their status.
# | Affected | Contra Indications – KB | Known Exploits | Microsoft rating(**) | ISC rating(*) | |
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clients | servers | |||||
MS13-067 |
A multitude of vulnerabilities in sharepoint (Office Server) have been fixed. It could lead to a Denial of Service over privilege escalation to random code execution with the rights of the W3WP service account. CVE-2013-1315 is also mentioned in MS13-073. CVE-2013-3847, CVE-2013-3848, CVE-2013-3849, CVE-2013-3857 and CVE-2013-3858 are also mentioned in MS13-072. Also contains functional changes for Visio Services. |
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Sharepoint
CVE-2013-0081 |
KB 2834052 | CVE-2013-3180 was publicly disclosed. |
Severity:Critical Exploitability:1 |
NA | Critical | |
MS13-068 | A input validation error dealign with S/MIME messages leads to random code execution with the rights of the logged on user. The vulnerability can be triggered by merely viewing or previewing a message. | |||||
Outlook | KB 2756473 | No publicly known exploits |
Severity:Critical Exploitability:2 |
Critical | Important | |
MS13-069 | A set of 10 new memory corruption vulnerabilities in this monthly instance of the cumulative MSIE patch. They lead to random code execution withthe rights of the logged on user. | |||||
MSIE
CVE-2013-3201 |
KB 2870699 | No publicly known exploits |
Severity:Critical Exploitability:1 |
Critical | Important | |
MS13-070 | A memory handling error in OLE allows for random code execution with the rights of the logged on user. | |||||
OLE | KB 2876217 | No publicly known exploits |
Severity:Critical Exploitability:1 |
Critical | Important | |
MS13-071 |
A vulnerability in handling the theme files allows for random code execution with the rights of the logged on user. |
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Theme | KB 2864063 | No publicly known exploits |
Severity:Important Exploitability:1 |
Critical | Important | |
MS13-072 |
Multiple vulnerabilities allow information leaks and random code execution with the rights of the logged on user. CVE-2013-3847, CVE-2013-3848, CVE-2013-3849, CVE-2013-3857 and CVE-2013-3858 are also mentioned in MS13-067. |
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Office
CVE-2013-3160 |
KB 2845537 | No publicly known exploits |
Severity:Important Exploitability:1 |
Critical | Important | |
MS13-073 |
Multiple vulnerabilities in Excel allow for information leak and random code execution with the rights of the logged on user. CVE-2013-1315 is also mentioned in MS13-067. |
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Excel | KB 2858300 | No publicly known exploits |
Severity:Important Exploitability:3 |
Critical | Important | |
MS13-074 | Multiple vulnerabilities allow random code execution with the rights of the logged on user. | |||||
Access | KB 2848637 | No publicly known exploits |
Severity:Important Exploitability:1 |
Critical | Important | |
MS13-075 | Pinyn Input Method Editor (IME) for Simplified Chinese allows for a privilege escalation by the user to local system. | |||||
Office IME (Chinese) | KB 2878687 | No publicly known exploits |
Severity:Important Exploitability:1 |
Important | Less urgent | |
MS13-076 | Multiple memory corruption vulnerabilities allow privilege escalation. | |||||
Kernel Mode Drivers
CVE-2013-1341 |
KB 2876315 | No publicly known exploits |
Severity:Important Exploitability:1 |
Important | Less urgent | |
MS13-077 | A double free vulnerability in the Service Control manager (SCM) allows privilege escalation. | |||||
Service Control Manager | KB 2872339 | No publicly known exploits |
Severity:Important Exploitability:2 |
Important | Less Urgent | |
MS13-078 |
An information leak vulnerability in Frontpage while handling the DTD of an XML file. |
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Frontpage | KB 2825621 | No publicly known exploits |
Severity:Important Exploitability:3 |
Important | Less Urgent | |
MS13-079 | A Denial of Service vulnerability in Active Directory by a query to the LDAP service. Lasts till an administroator restarts the service. | |||||
Active Directory | KB 2853587 | No publicly known exploits |
Severity:Important Exploitability:3 |
NA | Important |
We appreciate updates
US based customers can call Microsoft for free patch related support on 1-866-PCSAFETY
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We use 4 levels:
- PATCH NOW: Typically used where we see immediate danger of exploitation. Typical environments will want to deploy these patches ASAP. Workarounds are typically not accepted by users or are not possible. This rating is often used when typical deployments make it vulnerable and exploits are being used or easy to obtain or make.
- Critical: Anything that needs little to become "interesting" for the dark side. Best approach is to test and deploy ASAP. Workarounds can give more time to test.
- Important: Things where more testing and other measures can help.
- Less Urgent: Typically we expect the impact if left unpatched to be not that big a deal in the short term. Do not forget them however.
- The difference between the client and server rating is based on how you use the affected machine. We take into account the typical client and server deployment in the usage of the machine and the common measures people typically have in place already. Measures we presume are simple best practices for servers such as not using outlook, MSIE, word etc. to do traditional office or leisure work.
- The rating is not a risk analysis as such. It is a rating of importance of the vulnerability and the perceived or even predicted threat for affected systems. The rating does not account for the number of affected systems there are. It is for an affected system in a typical worst-case role.
- Only the organization itself is in a position to do a full risk analysis involving the presence (or lack of) affected systems, the actually implemented measures, the impact on their operation and the value of the assets involved.
- All patches released by a vendor are important enough to have a close look if you use the affected systems. There is little incentive for vendors to publicize patches that do not have some form of risk to them.
(**): The exploitability rating we show is the worst of them all due to the too large number of ratings Microsoft assigns to some of the patches.
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Swa Frantzen
(c) SANS Internet Storm Center. http://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.