#VU5549 Information disclosure in Windows and Windows Server - CVE-2015-1677

Vulnerability identifier: #VU5549

Vulnerability risk: Low

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

CVE-ID: CVE-2015-1677

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description
The vulnerabiity allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to private address information leaking during a function call. A remote attacker can bypass the ASLR protection mechanism, gain access to sensitive information and use it to launch further attacks against the affected system.

Successful exploitation of this vulnerability results in information disclosure on the vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: Vista, 7, 8 - 8.1

Windows Server: 2003, 2008 R2 - 2008, 2012 R2 - 2012

---

External links
http://technet.microsoft.com/en-us/library/security/ms15-051

---

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, proof of concept for this vulnerability is available.