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CVE-2018-0114 — python2.7 script for JWT generation | Kitploit
Tools/GitHubGitHub/eremiel/cve-2018-0114
Encryption/Decryption ToolsPayload GenerationVulnerability AnalysisExploitationWeb Application ExploitationAuthentication
GitHuberemiel/cve-2018-0114

CVE-2018-0114

python2.7 script for JWT generation

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2125 years agoNot yet reviewed

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CVE-2018-0114

python2.7 script for JWT generation

CVE-2018-0114

A vulnerability in the Cisco node-jose open source library before 0.11.0 could allow an unauthenticated, remote attacker to re-sign tokens using a key that is embedded within the token. The vulnerability is due to node-jose following the JSON Web Signature (JWS) standard for JSON Web Tokens (JWTs). This standard specifies that a JSON Web Key (JWK) representing a public key can be embedded within the header of a JWS. This public key is then trusted for verification.

An attacker can exploit this by forging valid JWS objects by removing the original signature, adding a new public key to the header, and then signing the object using the (attacker-owned) private key associated with the public key embedded in that JWS header.

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