Timing Attack Affecting org.jenkins-ci.main:jenkins-core package, versions [,2.204.2)[2.205,2.219)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.39% (74th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-JAVA-ORGJENKINSCIMAIN-3175878
  • published20 Dec 2022
  • disclosed24 May 2022
  • creditAlexander Brandes (NotMyFault)

Introduced: 24 May 2022

CVE-2020-2102  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

Upgrade org.jenkins-ci.main:jenkins-core to version 2.204.2, 2.219 or higher.

Overview

org.jenkins-ci.main:jenkins-core is an open source automation server.

Affected versions of this package are vulnerable to Timing Attack due to a missing usage of a constant-time comparison when validating whether two HMACs are equal. Exploiting this vulnerability may allow attackers to use statistical methods to obtain a valid HMAC for an attacker-controlled input value.

CVSS Scores

version 3.1