Security readout for executives and security teams
Plain-English summary
CVE-2017-7496 is a local privilege escalation issue in fedora-arm-installer through version 1.99.16. The flaw involves unsafe temporary directory handling when a mount operation fails. Business risk is mainly to systems where local users or build jobs can run this installer with elevated privileges.
Executive priority
Treat as a targeted operational risk, not a broad internet emergency. Prioritize environments where shared build systems or developer hosts run Fedora ARM image tooling with elevated privileges.
Technical view
The CVE describes missing error handling for failed mount operations on unsafely created temporary directories in fedora-arm-installer. It is classified as CWE-391 and affects versions up to and including 1.99.16. The provided sources do not include CVSS, exploit details, or a definitive fixed version.
Likely exposure
Exposure is likely limited to Fedora ARM image creation hosts, developer workstations, or CI/build systems using fedora-arm-installer 1.99.16 or earlier. Internet-facing exposure is not indicated by the sources.
Exploitation context
The issue requires local execution context. The source bundle does not show CISA KEV listing or cited evidence of active exploitation. No exploit method should be inferred from the limited public details.
Researcher notes
Evidence is sparse: the CVE record identifies the affected product, version range, CWE, and failure mode, but not CVSS, exploitability metrics, or final remediation details. The Pagure pull request is the referenced upstream confirmation.
Mitigation direction
- Inventory systems using fedora-arm-installer 1.99.16 or earlier.
- Restrict installer execution to trusted administrators and controlled build jobs.
- Check Red Hat/Fedora package guidance for the fixed release or recommended workaround.
- Update or remove vulnerable installations when an approved fixed package is available.
Validation and detection
- Check installed fedora-arm-installer versions on build hosts and workstations.
- Review CI pipelines for Fedora ARM image installation tasks.
- Confirm whether local untrusted users can execute the installer with elevated privileges.
- Track remediation evidence against the affected version boundary: up to and including 1.99.16.
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.
CWE-391: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-7496 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://pagure.io/arm-image-installer/pull-request/10CVE 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.
Unchecked Error Condition
Unchecked Error Condition represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.