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HIGH · 7.5

CVE-2016-5431

The PHP JOSE Library by Gree Inc. before version 2.2.1 is vulnerable to key confusion/algorithm substitution in the JWS component resulting in bypassing the signature verification via crafted tokens.

Vulnerability Description

The PHP JOSE Library by Gree Inc. before version 2.2.1 is vulnerable to key confusion/algorithm substitution in the JWS component resulting in bypassing the signature verification via crafted tokens.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
Php Jose ProjectPhp Jose< 2.2.1

Related Weaknesses (CWE)

CWE-327

References

FAQ

What is CVE-2016-5431?

CVE-2016-5431 is a vulnerability with a CVSS score of 7.5 (HIGH). The PHP JOSE Library by Gree Inc. before version 2.2.1 is vulnerable to key confusion/algorithm substitution in the JWS component resulting in bypassing the signature verification via crafted tokens.

How severe is CVE-2016-5431?

CVE-2016-5431 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-5431?

Check the references section above for vendor advisories and patch information. Affected products include: Php Jose Project Php Jose.