Jenkins up to 2.153/LTS 2.138.3 CronTab.java access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Jenkins up to 2.153/LTS 2.138.3. Affected by this issue is some unknown functionality of the file CronTab.java. This manipulation causes access control. This vulnerability is tracked as CVE-2018-1000864. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Jenkins up to 2.153/LTS 2.138.3 (Continuous Integration Software) and classified as problematic. Affected by this vulnerability is some unknown processing of the file CronTab.java. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect availability. The summary by CVE is:

A denial of service vulnerability exists in Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in CronTab.java that allows attackers with Overall/Read permission to have a request handling thread enter an infinite loop.

The bug was discovered 12/05/2018. The weakness was disclosed 12/10/2018 with Apple (Website). The advisory is shared at jenkins.io. This vulnerability is known as CVE-2018-1000864 since 12/10/2018. The exploitation appears to be easy. The attack can be launched remotely. Required for exploitation is a single authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 119500 (Jenkins < 2.138.4 LTS / 2.150.1 LTS / 2.154 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13360 (Jenkins Multiple Security Vulnerabilities (Jenkins Security Advisory 2018-12-05)).

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 (119500) and SecurityFocus (BID 106176†). The entries VDB-127774, VDB-127775 and VDB-127776 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Access control
CWE: CWE-264
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: 119500
Nessus Name: Jenkins < 2.138.4 LTS / 2.150.1 LTS / 2.154 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/05/2018 🔍
12/05/2018 +0 days 🔍
12/05/2018 +0 days 🔍
12/07/2018 +2 days 🔍
12/10/2018 +3 days 🔍
12/10/2018 +0 days 🔍
12/10/2018 +0 days 🔍
12/11/2018 +1 days 🔍
04/19/2020 +495 days 🔍

Sourcesinfo

Advisory: jenkins.io
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1000864 (🔍)
GCVE (CVE): GCVE-0-2018-1000864
GCVE (VulDB): GCVE-100-127777
SecurityFocus: 106176 - Jenkins Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/11/2018 07:56
Updated: 04/19/2020 14:51
Changes: 12/11/2018 07:56 (70), 04/19/2020 14:51 (7)
Complete: 🔍
Cache ID: 216::103

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

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