SB2013121001 - Information disclosure in Microsoft Office



SB2013121001 - Information disclosure in Microsoft Office

Published: December 10, 2013 Updated: March 11, 2017

Security Bulletin ID SB2013121001
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2013-5054)

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

The weakness exists due to an error in handling of a specially crafted response when opening a malicious Office file. A remote attacker can create a specially crafted file using, host it on remote website, trick the victim into opening it and gain access to tokens used to authenticate the current user on a targeted SharePoint or other Microsoft Office server site.

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

Note: the vulnerability was being actively exploited.

Remediation

Install update from vendor's website.