Arbitrary code execution in Microsoft Skype



Published: 2017-06-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-9948
CWE-ID CWE-121
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		Skype
Client/Desktop applications / Messaging software

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU7230

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2017-9948

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The weakness exists due to stack-based buffer overflow in the `MSFTEDIT.DLL` when handling RDP clipboard content within the message box. A local attacker can trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Update to version 7.37.178.

Vulnerable software versions

Skype: 7.2 - 7.36

CPE2.3 External links

http://www.vulnerability-db.com/?q=articles/2017/05/28/stack-buffer-overflow-zero-day-vulnerability...
http://www.vulnerability-lab.com/get_content.php?id=2071


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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