CVE-2016-10519: Remote Memory Disclosure in bittorrent-dht
Summary
CVE-2016-10519: Remote Memory Disclosure in bittorrent-dht. Affects bittorrent-dht versions < 5.1.3. Fixed in 5.1.3. How to fix ↓
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Background
The bittorrent-dht package is an npm package that provides a Distributed Hash Table (DHT) implementation for BitTorrent networks. It allows peers in the network to discover and communicate with each other. The package is widely used in BitTorrent clients and applications that utilize the BitTorrent protocol. However, versions prior to 5.1.3 of bittorrent-dht are affected by a remote memory disclosure vulnerability.
Vulnerability Detail
The remote memory disclosure vulnerability in bittorrent-dht allows an attacker to exploit a specific series of messages sent to a listening peer, leading to the disclosure of internal memory. This vulnerability can be exploited to retrieve previously used and deallocated memory pages from the node process. It is important to note that only memory allocated as a Buffer can be leaked. Modern kernels zero out new memory pages before handing them off to a process, reducing the impact of this vulnerability.
How To Fix
Minimum fixed version
5.1.3
This is the first release that contains the fix.
npm install bittorrent-dht@5.1.3Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The bittorrent-dht package prior to version 5.1.3 is vulnerable to remote memory disclosure. It is recommended to update to the latest version to fix this vulnerability. For further support and information, please contact DevNack.com.
See every vulnerability recorded for bittorrent-dht →
FAQ
bittorrent-dht is an npm package that provides a Distributed Hash Table (DHT) implementation for BitTorrent networks. It allows peers in the network to discover and communicate with each other.
The vulnerability allows an attacker to retrieve internal memory from a listening peer in the BitTorrent network. However, the impact is slightly reduced due to modern kernels zeroing out new memory pages and the limitation that only memory previously allocated as a Buffer can be leaked.
To fix this vulnerability, update the bittorrent-dht package to version 5.1.3 or later.
No specific workarounds have been mentioned for this vulnerability.
For further information and support on vulnerability remediation, you can contact info@devnack.com.
