Information Exposure Affecting org.jenkins-ci.main:jenkins-core package, versions [,2.176.4) [2.180.0, 2.196.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.57% (79th percentile)

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  • Snyk ID SNYK-JAVA-ORGJENKINSCIMAIN-596947
  • published 30 Jul 2020
  • disclosed 30 Jul 2020
  • credit Unknown

How to fix?

Upgrade org.jenkins-ci.main:jenkins-core to version 2.176.4, 2.196.1 or higher.

Overview

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

Affected versions of this package are vulnerable to Information Exposure. Prints the value of the \Cookie\ HTTP request header on the /whoAmI/ URL, allowing attackers exploiting another XSS vulnerability to obtain the HTTP session cookie despite it being marked HttpOnly.

CVSS Scores

version 3.1
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Snyk

Recommended
4.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None
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NVD

5.4 medium