Jenkins HudsonPrivateSecurityRealm.java session fixiation

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Jenkins. This affects an unknown function of the file core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java. Such manipulation leads to session fixiation. This vulnerability is referenced as CVE-2018-1000409. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Jenkins (Continuous Integration Software) (unknown version) and classified as critical. Affected by this issue is an unknown code block of the file core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java. The manipulation with an unknown input leads to a session fixiation vulnerability. Using CWE to declare the problem leads to CWE-384. Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A session fixation vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that prevented Jenkins from invalidating the existing session and creating a new one when a user signed up for a new user account.

The bug was discovered 10/10/2018. The weakness was published 01/09/2019 with CloudBees, Inc. (Website). The advisory is shared for download at jenkins.io. This vulnerability is handled as CVE-2018-1000409 since 01/09/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 118147 (Jenkins < 2.138.2 (LTS) / 2.146 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118147) and SecurityFocus (BID 106532†). Similar entries are available at VDB-128837, VDB-128838, VDB-128839 and VDB-128841. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Session fixiation
CWE: CWE-384
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118147
Nessus Name: Jenkins < 2.138.2 (LTS) / 2.146 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/10/2018 🔍
10/10/2018 +0 days 🔍
10/16/2018 +6 days 🔍
01/09/2019 +85 days 🔍
01/09/2019 +0 days 🔍
01/09/2019 +0 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
04/27/2020 +473 days 🔍

Sourcesinfo

Advisory: jenkins.io
Organization: CloudBees, Inc.
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000409 (🔍)
GCVE (CVE): GCVE-0-2018-1000409
GCVE (VulDB): GCVE-100-128840
SecurityFocus: 106532 - Jenkins Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/10/2019 11:05
Updated: 04/27/2020 10:34
Changes: 01/10/2019 11:05 (68), 04/27/2020 10:34 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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