Published:2015/06/12  Last Updated:2015/06/12

JVN#18146081
LoadLibrary function in Microsoft Windows fails to validate input properly

Overview

The LoadLibrary function in Microsoft Windows fails to validate input properly.

Products Affected

  • Microsoft Windows

Description

The LoadLibrary function in Microsoft Windows fails to validate input properly. As a result, it may load a specially crafted DLL file (CWE-114).

Impact

An arbitrary code may be executed as a result of an application loads a specially crafted DLL file.

Solution

Update the Software
This issue was addressed in MS15-063, released on June 10. 2015. Apply the update according to the information provided by Microsoft.

Vendor Status

Vendor Status Last Update Vendor Notes
Microsoft Japan Co.,Ltd. Vulnerable 2015/06/12 Microsoft Japan Co.,Ltd. website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2015.06.12 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) Specialized access conditions exist.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is total information disclosure, resulting in all system files being revealed.
Integrity Impact(I) None (N) Partial (P) Complete (C) There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.
Availability Impact(A) None (N) Partial (P) Complete (C) There is a total shutdown of the affected resource.

Base Score:7.6

Credit

Takashi Yoshikawa of Mitsui Bussan Secure Directions reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2015-1758
JVN iPedia JVNDB-2015-000086