Advisory Details

April 3rd, 2015

BitTorrent Sync btsync: Protocol Command Injection Remote Code Execution Vulnerability

ZDI-15-115
ZDI-CAN-2624

CVE ID CVE-2015-2846
CVSS SCORE 7.5, (AV:N/AC:L/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS BitTorrent
AFFECTED PRODUCTS Sync
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 16990. 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 BitTorrent Sync. 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 how BitTorrent Sync handles URLs with the btsync protocol. By navigating the user to a specially formed link starting with btsync:, an attacker can inject arbitrary command line parameters that will be passed to BTSync.exe. An attacker can leverage this vulnerability to execute code under the context of the current user.

ADDITIONAL DETAILS BitTorrent has issued an update to correct this vulnerability. More details can be found at:
https://www.getsync.com/
DISCLOSURE TIMELINE
  • 2014-11-06 - Vulnerability reported to vendor
  • 2015-04-03 - Coordinated public release of advisory
CREDIT Andrea Micalizzi (rgod)
BACK TO ADVISORIES