Advisory Details

October 13th, 2015

Microsoft Windows JavaScript Regular Expression Use-After-Free Remote Code Execution Vulnerability

ZDI-15-515
ZDI-CAN-2899

CVE ID CVE-2015-2482
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Windows
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 19801. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The vulnerability relates to search and replace operations performed using JavaScript regular expressions. An attacker can cause the in-memory representation of a regular expression to be freed while it is being used in a replace operation. An attacker can leverage this vulnerability to execute code under the context of the current process.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://technet.microsoft.com/en-us/library/security/MS15-108
DISCLOSURE TIMELINE
  • 2015-04-23 - Vulnerability reported to vendor
  • 2015-10-13 - Coordinated public release of advisory
CREDIT SkyLined
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