Vulnerability CVE-2013-0081
Published: 2013-09-11

Description:
Microsoft SharePoint Portal Server 2003 SP3 and SharePoint Server 2007 SP3, 2010 SP1 and SP2, and 2013 do not properly process unassigned workflows, which allows remote attackers to cause a denial of service (W3WP process hang) via a crafted URL, aka "SharePoint Denial of Service Vulnerability."

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Microsoft -> Sharepoint foundation 
Microsoft -> Sharepoint portal server 
Microsoft -> Sharepoint server 
Microsoft -> Sharepoint services 

 References:
http://www.us-cert.gov/ncas/alerts/TA13-253A
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-067
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19036
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