Summaryinfo

A vulnerability classified as critical was found in BitTorrent. This vulnerability affects the function lazy_bdecode of the file lazy_bdecode.cpp. The manipulation results in memory corruption. This vulnerability is reported as CVE-2014-8509. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in BitTorrent (Peer-to-Peer Software) (version unknown). It has been classified as critical. Affected is the function lazy_bdecode of the file lazy_bdecode.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The lazy_bdecode function in BitTorrent bootstrap-dht (aka Bootstrap) allows remote attackers to execute arbitrary code via a crafted packet, which triggers an out-of-bounds read, related to "Improper Indexing."

The weakness was disclosed 10/29/2014 by Daejin Lee (Website). The advisory is available at github.com. This vulnerability is traded as CVE-2014-8509 since 10/28/2014. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (98415) and SecurityFocus (BID 70812†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Peer-to-Peer Software

Name

• BitTorrent

License

• open-source

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CPE 2.2info

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