Advisory Details

July 29th, 2015

BitTorrent Bootstrap Improper Indexing Remote Code Execution Vulnerability

ZDI-15-366
ZDI-CAN-2793

CVE ID CVE-2015-5685
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS BitTorrent
AFFECTED PRODUCTS Bootstrap
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 19724. 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 Bootstrap. User interaction is not required to exploit this vulnerability.

The specific flaw exists within the handling of arguments passed to the lazy_bdecode function. By sending a specific crafted packet an attacker can access data outside the bounds of an allocated buffer. An attacker can leverage this vulnerability to execute code under the context of the current process.

ADDITIONAL DETAILS BitTorrent has issued an update to correct this vulnerability. More details can be found at:
https://github.com/bittorrent/bootstrap-dht/commit/e809ea80e3527e32c40756eddd8b2ae44bc3af1a
DISCLOSURE TIMELINE
  • 2015-04-13 - Vulnerability reported to vendor
  • 2015-07-29 - Coordinated public release of advisory
CREDIT Team_LPJ@BoB
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