Session Fixation Vulnerability in Jenkins GitHub Authentication Plugin
CVE-2019-1003019

5.9MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Github Authentication Plugin
Vendor
CVE Published:
6 February 2019

What is CVE-2019-1003019?

A session fixation vulnerability has been identified in the Jenkins GitHub Authentication Plugin, specifically affecting versions 0.29 and earlier. This issue allows an unauthorized attacker to exploit a pre-authentication session, enabling them to impersonate a legitimate user. The vulnerability arises from the insufficient validation of session data in GitHubSecurityRealm.java, which could lead to potential unauthorized access and manipulation of user sessions.

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Affected Version(s)

Jenkins GitHub Authentication Plugin 0.29 and earlier

References

https://jenkins.io/security/advisory/2019-01-28/#SECURITY...
x_refsource_CONFIRM

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability Reserved

  • Vulnerability published

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