CVE-2017-16007

low-risk
Published 2018-06-04

node-jose is a JavaScript implementation of the JSON Object Signing and Encryption (JOSE) for current web browsers and node.js-based servers. node-jose earlier than version 0.9.3 is vulnerable to an invalid curve attack. This allows an attacker to recover the private secret key when JWE with Key Agreement with Elliptic Curve Diffie-Hellman Ephemeral Static (ECDH-ES) is used.

Do I need to act?

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0.25% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Cisco

References (8)

Exploit http://blog.intothesymmetry.com/2017/03/critical-vulnerability-in-json-web.html
Patch https://gist.github.com/asanso/fa25685348051ef6a28d49aa0f27a4ae
Third Party Advisory https://github.com/cisco/node-jose
Third Party Advisory https://nodesecurity.io/advisories/324
Exploit http://blog.intothesymmetry.com/2017/03/critical-vulnerability-in-json-web.html
Patch https://gist.github.com/asanso/fa25685348051ef6a28d49aa0f27a4ae
Third Party Advisory https://github.com/cisco/node-jose
Third Party Advisory https://nodesecurity.io/advisories/324
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal