Buffer overflow in HackerOne Ws Node Module
CVE-2016-10518
A vulnerability was found in the ping functionality of the ws module before 1.0.0 which allowed clients to allocate memory by sending a ping frame. The ping functionality by default responds with a pong frame and the previously given payload of the ping frame. This is exactly what you expect, but internally ws always transforms all data that we need to send to a Buffer instance and that is where the vulnerability existed. ws didn't do any checks for the type of data it was sending. With buffers in node when you allocate it when a number instead of a string it will allocate the amount of bytes.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.020 (80.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- HackerOne Ws Node Module — versions <= 1.0.0
- Ws Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/websockets/ws/releases/tag/1.0.1 (Third Party Advisory, Release Notes)
- nodesecurity.io/advisories/67 (Third Party Advisory)
- gist.github.com/c0nrad/e92005446c480707a74a (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-10518?
- CVE-2016-10518 is a high-severity vulnerability in HackerOne Ws Node Module, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 7.5/10. Published 2018-05-31.
- How severe is CVE-2016-10518?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-10518 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.