CloudBees Jenkins up to 1.637 JNLP Slave Connection information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in CloudBees Jenkins up to 1.637. Affected by this vulnerability is an unknown functionality of the component JNLP Slave Connection Handler. This manipulation causes information disclosure. This vulnerability is handled as CVE-2015-5320. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in CloudBees Jenkins up to 1.637 (Continuous Integration Software) and classified as critical. Affected by this vulnerability is an unknown code of the component JNLP Slave Connection Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

CloudBees Jenkins before 1.638 and LTS before 1.625.2 do not properly verify the shared secret used in JNLP slave connections, which allows remote attackers to connect as slaves and obtain sensitive information or possibly gain administrative access by leveraging knowledge of the name of a slave.

The weakness was released 11/25/2015 (Website). The advisory is shared at wiki.jenkins-ci.org. This vulnerability is known as CVE-2015-5320 since 07/01/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 11549 (Jenkins Server Multiple Remote Security Vulnerabilities (Jenkins Security Advisory 2015-11-11)).

Upgrading to version 1.638 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 77574†) and Vulnerability Center (SBV-54828†). Entries connected to this vulnerability are available at VDB-79315, VDB-79318, VDB-79319 and VDB-79320. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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OpenVAS ID: 802591
OpenVAS Name: CloudBees Jenkins Multiple Vulnerabilities August16 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Jenkins 1.638

Timelineinfo

07/01/2015 🔍
11/11/2015 +133 days 🔍
11/11/2015 +0 days 🔍
11/25/2015 +14 days 🔍
11/25/2015 +0 days 🔍
11/26/2015 +1 days 🔍
12/07/2015 +11 days 🔍
06/27/2022 +2394 days 🔍

Sourcesinfo

Vendor: cloudbees.com

Advisory: RHSA-2016:0070
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5320 (🔍)
GCVE (CVE): GCVE-0-2015-5320
GCVE (VulDB): GCVE-100-79321
SecurityFocus: 77574 - Jenkins Security Bypass and Information Disclosure Vulnerabilities
Vulnerability Center: 54828 - CloudBees Jenkins <1.638 and LTS <1.625.2 Remote Information Disclosure or Privileges Escalation, Critical

See also: 🔍

Entryinfo

Created: 11/26/2015 10:17
Updated: 06/27/2022 18:37
Changes: 11/26/2015 10:17 (53), 05/11/2018 13:03 (14), 06/27/2022 18:37 (3)
Complete: 🔍
Cache ID: 216:BE2:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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