Security readout for executives and security teams
Plain-English summary
Lynis versions before 2.5.0 could let a local user abuse temporary-file handling in unspecified tests to write to arbitrary files, with possible privilege gain. This is mainly a risk on shared systems or where Lynis runs with elevated privileges.
Executive priority
Prioritize as a routine security update, escalating for shared Linux systems or privileged scan automation. Business risk is narrower than remote compromise, but arbitrary file write plus possible privilege gain warrants timely remediation.
Technical view
The CVE describes a symlink attack against temporary files used by unspecified Lynis tests before 2.5.0. Impact is arbitrary file write and possible privilege escalation by a local user. The source bundle does not provide CVSS, CWE, affected CPEs, or detailed test names.
Likely exposure
Exposure is likely limited to systems with Lynis before 2.5.0 installed, especially multi-user hosts or environments where scans run as root or through automation.
Exploitation context
The bundle marks KEV as false and provides no cited evidence of active exploitation. Exploitation requires local access according to the CVE description.
Researcher notes
Evidence is sparse: the issue is described only as unspecified tests and temporary-file symlink handling. Avoid assuming exact vulnerable code paths, exploit reliability, or fixed package versions beyond Lynis before 2.5.0 unless vendor advisories confirm them.
Mitigation direction
- Upgrade Lynis to 2.5.0 or later where installed.
- Apply relevant distribution security updates, including Fedora packages where applicable.
- Limit who can run Lynis on shared systems pending upgrade.
- Review CISOfy and distribution guidance for version-specific remediation.
Validation and detection
- Inventory hosts with Lynis installed and record package versions.
- Confirm installed Lynis versions are 2.5.0 or later.
- Check Fedora advisory coverage for managed Fedora systems.
- Review scan automation for privileged Lynis execution on shared hosts.
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-2017-8108 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
- FEDORA-2017-8d625a8d2bCVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2017-c3ce061ea7CVE reference · vendor-advisory, x_refsource_FEDORA
- https://github.com/CISOfy/lynis/releases/tag/2.5.0CVE reference · x_refsource_CONFIRM
- https://cisofy.com/security/cve/cve-2017-8108/CVE 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.