GHSA-jfxm-w8g2-4rcv

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    GHSA-jfxm-w8g2-4rcv

    Published: 13 May 2022Last Modified: 8 Nov 2023
    Aliases:
    CVE-2018-0114

    Summary: Cisco node-jose improper validation of JWT signature

    Details: 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 could 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.

    References: https://nvd.nist.gov/vuln/detail/CVE-2018-0114, https://github.com/cisco/node-jose, https://github.com/cisco/node-jose/blob/master/CHANGELOG.md, https://github.com/zi0Black/POC-CVE-2018-0114, https://tools.cisco.com/security/center/viewAlert.x?alertId=56326, https://web.archive.org/web/20210124130907/http://www.securityfocus.com/bid/102445, https://www.exploit-db.com/exploits/44324

    Affected packages

    Package

    Name: node-jose

    Purl: pkg:npm/node-jose

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.11.0

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-jfxm-w8g2-4rcv | CVE-DB