Security readout for executives and security teams
Plain-English summary
This issue can expose the Gitlab token configured in Jenkins Gitlab Hook Plugin 1.4.2 and older. An attacker already close to Jenkins, through local master filesystem access or control of an administrator's browser, could retrieve that token and potentially abuse connected GitLab access.
Executive priority
Treat as a targeted credential-exposure risk, not a broad internet worm risk. Prioritize Jenkins instances integrating with GitLab, especially shared or weakly controlled Jenkins controllers.
Technical view
CVE-2018-1000196 affects Jenkins Gitlab Hook Plugin 1.4.2 and older. The cited description identifies gitlab_notifier.rb and views/gitlab_notifier/global.erb as exposing the configured Gitlab token under specific local filesystem or administrator-browser-control conditions.
Likely exposure
Exposure is limited to Jenkins environments using Gitlab Hook Plugin 1.4.2 or older with a configured Gitlab token.
Exploitation context
The source does not report active exploitation. The stated attacker positions are local Jenkins master filesystem access or control of a Jenkins administrator's web browser.
Researcher notes
The public bundle lacks CVSS, CWE, CPE, and exact fixed-version details. Analysis is therefore limited to the Jenkins advisory reference and CVE description. Validate against vendor advisory before declaring remediation complete.
Mitigation direction
- Check Jenkins advisory SECURITY-263 for vendor remediation guidance.
- Inventory Jenkins Gitlab Hook Plugin versions across Jenkins controllers.
- Upgrade or remove affected plugin versions according to Jenkins guidance.
- Restrict Jenkins master filesystem access to trusted administrators only.
- Review Jenkins administrator browser security and extension controls.
- Rotate the configured Gitlab token if exposure is suspected.
Validation and detection
- Confirm whether Gitlab Hook Plugin is installed on Jenkins.
- Record installed plugin version and compare against 1.4.2 or older.
- Check whether a Gitlab token is configured for the plugin.
- Review Jenkins controller filesystem access paths and administrator access controls.
- Look for evidence of unauthorized access to Jenkins configuration files.
- Review GitLab token usage logs where available.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-1000196 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://jenkins.io/security/advisory/2018-05-09/#SECURITY-263CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.