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3.7

jose-php before 2.2.1 allows timing attack to steal data

CVE-2016-5429 · published 10 years ago
Summary

The jose-php library versions older than 2.2.1 check message authentication codes in a way that can be measured by an attacker. By sending many requests and measuring how long the server takes to respond, a remote attacker can gradually discover secret information. Upgrade to version 2.2.1 or later, or apply a patch that makes the comparison run in constant time.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
jose-php_project jose-php <= 2.2.0
cpe:2.3:a:jose-php_project:jose-php:*:*:*:*:*:*:*:*
Original advisory text
jose-php before 2.2.1 does not use constant-time operations for HMAC comparison, which makes it easier for remote attackers to obtain sensitive information via a timing attack, related to JWE.php a...
jose-php before 2.2.1 does not use constant-time operations for HMAC comparison, which makes it easier for remote attackers to obtain sensitive information via a timing attack, related to JWE.php and JWS.php.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
3.7 Low
Exploitation
1% chance of attack within 30 days
Type
CWE-200Information Exposure
Timeline
Published3 Sep 2016
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2016-5429 · NVD
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