GHSA-mj4x-wcxf-hm8x

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    GHSA-mj4x-wcxf-hm8x

    Published: 31 Jul 2018Last Modified: 16 Feb 2024

    Summary: Json-jwt did not verify the cryptographic signature for data

    Details: The json-jwt rubygem version >= 0.5.0 && < 1.9.4 contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability in Decryption of AES-GCM encrypted JSON Web Tokens that can result in Attacker can forge a authentication tag. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in 1.9.4 and later.

    References: https://nvd.nist.gov/vuln/detail/CVE-2018-1000539, https://github.com/nov/json-jwt/pull/62, https://github.com/nov/json-jwt/commit/a3b2147f0f6d9aca653e7a30e453d3a92b33413f, https://github.com/nov/json-jwt, https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2018-1000539.yml, https://www.debian.org/security/2018/dsa-4283

    Affected packages

    Package

    Name: json-jwt

    Purl: pkg:gem/json-jwt

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0.5.1
    Fixed -1.9.4

    Affected versions

    0.5.1
    0.5.2
    0.5.3
    0.5.4
    0.5.5
    0.5.6

    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