Jenkins up to 2.121.1/2.132 Stapler Web Framework Stapler.java HTTP Requests input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Jenkins up to 2.121.1/2.132. The affected element is an unknown function of the file org/kohsuke/stapler/Stapler.java of the component Stapler Web Framework. The manipulation as part of HTTP Requests results in input validation. This vulnerability is identified as CVE-2018-1999002. The attack can be executed remotely. Additionally, an exploit exists. Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as critical, was found in Jenkins up to 2.121.1/2.132 (Continuous Integration Software). Affected is an unknown code block of the file org/kohsuke/stapler/Stapler.java of the component Stapler Web Framework. The manipulation as part of a HTTP Requests leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on confidentiality. CVE summarizes:
A arbitrary file read vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in the Stapler web framework's org/kohsuke/stapler/Stapler.java that allows attackers to send crafted HTTP requests returning the contents of any file on the Jenkins master file system that the Jenkins master has access to.
The bug was discovered 07/18/2018. The weakness was released 07/23/2018 (Website). The advisory is available at jenkins.io. This vulnerability is traded as CVE-2018-1999002 since 07/23/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.
The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 111176 (FreeBSD : jenkins -- multiple vulnerabilities (20a1881e-8a9e-11e8-bddf-d017c2ca229d)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13217 (Jenkins Arbitrary File Access Vulnerability).
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 (111176). Entries connected to this vulnerability are available at VDB-122105, VDB-122107, VDB-122108 and VDB-122109. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.1
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 111176
Nessus Name: FreeBSD : jenkins -- multiple vulnerabilities (20a1881e-8a9e-11e8-bddf-d017c2ca229d)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
07/18/2018 🔍07/18/2018 🔍
07/20/2018 🔍
07/23/2018 🔍
07/23/2018 🔍
07/23/2018 🔍
07/23/2018 🔍
10/23/2024 🔍
Sources
Advisory: jenkins.ioStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2018-1999002 (🔍)
GCVE (CVE): GCVE-0-2018-1999002
GCVE (VulDB): GCVE-100-122106
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 07/23/2018 22:24Updated: 10/23/2024 19:20
Changes: 07/23/2018 22:24 (71), 03/09/2020 16:42 (4), 04/25/2023 13:11 (4), 10/23/2024 19:20 (22)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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