Jenkins up to 2.153/LTS 2.138.3 CronTab.java access control
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
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 vulnerability database at Tenable (119500). The entries 127774, 127775 and 127776 are pretty similar.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
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Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/05/2018 🔍12/05/2018 🔍
12/05/2018 🔍
12/07/2018 🔍
12/10/2018 🔍
12/10/2018 🔍
12/10/2018 🔍
12/11/2018 🔍
04/19/2020 🔍
Sources
Advisory: jenkins.ioOrganization: Apple
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-1000864 (🔍)
SecurityFocus: 106176 - Jenkins Multiple Security Vulnerabilities
See also: 🔍
Entry
Created: 12/11/2018 07:56Updated: 04/19/2020 14:51
Changes: 12/11/2018 07:56 (70), 04/19/2020 14:51 (7)
Complete: 🔍
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