Timing Attack Affecting ezsystems/ezpublish-kernel package, versions >=7.5.0, <7.5.15.1>=6.13.0, <6.13.8.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-PHP-EZSYSTEMSEZPUBLISHKERNEL-1085280
  • published12 Mar 2021
  • disclosed11 Mar 2021
  • creditUnknown

Introduced: 11 Mar 2021

CVE-2021-46876  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade ezsystems/ezpublish-kernel to version 7.5.15.1, 6.13.8.1 or higher.

Overview

ezsystems/ezpublish-kernel is a kernel used by ezsystems/ezplatform and derivatives. Provides the Content Repository, its APIs, and the application's Symfony framework integration.

Affected versions of this package are vulnerable to Timing Attack. The /user/sessions endpoint can let an attacker detect if a given username or email refers to a valid account. This can be detected through differences in the response data or response time of certain requests.

CVSS Scores

version 3.1