Vulnerability in Cisco Node-Jose Library Allows Token Resigning
CVE-2018-0114
Key Information:
- Vendor
Cisco
- Status
- Vendor
- CVE Published:
- 4 January 2018
Badges
What is CVE-2018-0114?
The Cisco node-jose library prior to version 0.11.0 contains a vulnerability that allows an unauthenticated remote attacker to re-sign JSON Web Signature (JWS) tokens. This stems from the library's compliance with the JSON Web Signature standards, which allows a JSON Web Key (JWK) embedding within the token header. By exploiting this vulnerability, an attacker could remove the original signature, inject a different public key, and subsequently sign the object with their own private key, thereby creating forged valid JWS objects.
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Affected Version(s)
Node-jose Library Node-jose Library
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
84% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved