Security readout for executives and security teams
Plain-English summary
Older MediaWiki releases could place localisation cache files in the system temporary directory by default. That directory is shared and less controlled, creating a security risk around files MediaWiki relies on. The provided sources do not describe observed exploitation, exact impact, or CVSS severity.
Executive priority
Treat as a legacy platform hygiene issue requiring confirmation, not an emergency based on the provided evidence. Prioritize remediation if MediaWiki is internet-facing, business-critical, or running unsupported versions.
Technical view
CVE-2017-0367 affects MediaWiki before 1.28.1 and 1.27.2, involving unsafe use of a temporary directory for LocalisationCache. The source bundle identifies vendor security releases and Debian tracking, but does not provide exploit mechanics, CVSS, CWE, or full impact details.
Likely exposure
Exposure is most likely on legacy MediaWiki installations older than 1.28.1 or 1.27.2, especially where LocalisationCache still defaults to the system temp directory. Debian-packaged systems should be checked against Debian tracker status.
Exploitation context
The bundle marks this as not in KEV and provides no cited evidence of active exploitation. The sources identify an insecure default but do not provide enough detail to assess remote reachability, privilege requirements, or business impact.
Researcher notes
The public bundle is sparse: no CVSS, CWE, exploit status, or detailed impact is provided. Analysis should stay close to version exposure and configuration review until vendor or distribution advisories provide more detail.
Mitigation direction
- Upgrade MediaWiki to a fixed security release or later supported version.
- Check Debian security tracker for package-specific fixed versions.
- Review vendor guidance for secure LocalisationCache directory configuration.
- Avoid relying on shared system temp paths for application cache storage.
Validation and detection
- Inventory MediaWiki versions and identify releases before 1.28.1 or 1.27.2.
- Review LocalisationCache configuration for system temporary directory usage.
- Check package status against Debian tracker where Debian packages are used.
- Confirm remediation through version checks after upgrade.
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.
CVE-2017-0367 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
- [mediawiki-announce] 20170406 Security Release: 1.28.1 / 1.27.2 / 1.23.16CVE reference · mailing-list, x_refsource_MLIST
- https://phabricator.wikimedia.org/T161453CVE reference · x_refsource_CONFIRM
- https://security-tracker.debian.org/tracker/CVE-2017-0367CVE 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.