Security readout for executives and security teams
Plain-English summary
FreeBSD crontab had a race condition when comparing old and new cron files. Because the comparison ran with elevated privileges, a local attacker might influence which file was hashed, potentially exposing file comparison results that should be blocked by permissions.
Executive priority
Treat as a targeted local-risk issue until vendor exposure is confirmed. Prioritize internet-facing remote vulnerabilities first, but include this in FreeBSD and appliance patch review cycles.
Technical view
The issue is CWE-362 in FreeBSD crontab. It uses MD5File() with a pathname while running as euid 0 to decide whether a crontab changed. A race condition can cause an arbitrary MD5 comparison regardless of read permissions.
Likely exposure
Exposure is limited to systems using the affected FreeBSD crontab behavior. The provided bundle does not identify exact FreeBSD versions, supported patch levels, or specific downstream NetApp product impact.
Exploitation context
The sources do not show KEV listing or active exploitation. The described condition appears local and timing-dependent, requiring an attacker to influence crontab file comparison behavior rather than remotely attack a service.
Researcher notes
Evidence is sparse: no CVSS, no version range, and no direct fix details in the provided bundle. The key behavior is privileged pathname-based hashing combined with a race condition around crontab change detection.
Mitigation direction
- Check FreeBSD and appliance vendor advisories for affected versions and fixes.
- Apply vendor-provided security updates when confirmed applicable.
- Limit local shell access and crontab permissions to trusted users.
- Review NetApp advisory applicability for any NetApp-managed environments.
Validation and detection
- Inventory FreeBSD systems and appliances that provide local crontab access.
- Confirm installed FreeBSD or vendor firmware versions against official advisories.
- Review whether untrusted users can create or edit crontabs.
- Check system logs for unusual crontab changes or permission-denied patterns.
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-362: 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 lookupCVE-2011-1075 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://marc.info/?l=full-disclosure&m=129891323028897&w=2CVE reference · x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2011/02/28/14CVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20211125-0004/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.
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
