#VU4754 Cross-site scripting in Microsoft products - CVE-2013-1289

Vulnerability identifier: #VU4754

Vulnerability risk: Medium

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2013-1289

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office InfoPath
Client/Desktop applications / Office applications
Microsoft Office Web Apps
Client/Desktop applications / Office applications
Groove Server
Server applications / Other server solutions
Microsoft SharePoint Server
Server applications / Application servers

Vendor: Microsoft

Description
The vulnerability allows a remote attacker to obtain elevated privileges on the target system.

The weakness exists due to an error related to the way HTML strings are sanitized by HTML Sanitization components. A remote attacker can create a specially crafted URL, trick the victim into opening it, take actions on the targeted site or read restricted content and obtain sensitive information with elevated privileges.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Office InfoPath: 2010

Groove Server: 2010

Microsoft Office Web Apps: 2010

Microsoft SharePoint Server: 2010

---

External links
https://technet.microsoft.com/en-us/library/security/ms13-035.aspx

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.