CVE-2016-7037

7.5 HIGH

Published: January 23, 2017 Modified: November 18, 2025

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securityfocus.com/bid/95847

Source: secalert@redhat.com

https://github.com/emarref/jwt/pull/20

Source: secalert@redhat.com

Issue Tracking Patch Third Party Advisory

https://github.com/emarref/jwt/releases/tag/1.0.3

Source: secalert@redhat.com

Issue Tracking Patch Third Party Advisory

http://www.securityfocus.com/bid/95847

Source: af854a3a-2127-422b-91ae-364da2661108

https://github.com/emarref/jwt/pull/20

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Patch Third Party Advisory

https://github.com/emarref/jwt/releases/tag/1.0.3

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Patch Third Party Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.1%

35th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-361

Affected Vendors

emarref

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