The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.
Advisories
Source ID Title
EUVD EUVD EUVD-2016-7921 The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 18 Nov 2025 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Emarref
Emarref jwt
CPEs cpe:2.3:a:jwt_project:jwt:*:*:*:*:*:*:*:* cpe:2.3:a:emarref:jwt:*:*:*:*:*:*:*:*
Vendors & Products Jwt Project
Jwt Project jwt
Emarref
Emarref jwt

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T01:50:46.876Z

Reserved: 2016-08-23T00:00:00

Link: CVE-2016-7037

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2017-01-23T21:59:02.487

Modified: 2025-11-18T13:54:49.600

Link: CVE-2016-7037

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses