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CVE Record

CVE-2011-1075: FreeBSD's crontab calculates the MD5 sum of the previous and new cronjob to determine if any changes have b...

FreeBSD's crontab calculates the MD5 sum of the previous and new cronjob to determine if any changes have been made before copying the new version in. In particular, it uses the MD5File() function, which takes a pathname as an argument, and is called with euid 0. A race condition in this process may lead to an arbitrary MD5 comparison regardless of the read permissions.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

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.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-362: Exact CWE lookup

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cve · low confidence lookup

CVE-2011-1075 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aFreeBSD/crontabunknownListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-362 · source CWE mapping

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.