CVE-2016-7037
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.
Published:Jan 23, 2017
Last Modified:Nov 18, 2025
EPS:Jan 23, 2017
EPSS Score:0.0014
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Emarref
Product
Jwt
Emarref
Jwt
Exploits
No exploit reference
Common Weakness Enumeration
No CWE recorded yet
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
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
