Advisory Details

October 29th, 2014

BitTorrent Bootstrap Improper Indexing Remote Code Execution Vulnerability

ZDI-14-370
ZDI-CAN-2494

CVE ID CVE-2014-8509
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS BitTorrent
AFFECTED PRODUCTS BitTorrent
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 16825. 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/bbc0b7191e3f48461ca6e5b1b34bdf4b3f1e79a9
DISCLOSURE TIMELINE
  • 2014-10-15 - Vulnerability reported to vendor
  • 2014-10-29 - Coordinated public release of advisory
CREDIT Daejin Lee
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