Security readout for executives and security teams
This is an old local privilege-escalation flaw in Vixie cron. If a vulnerable system lets a local user create or edit a crontab, an overly long MAILTO value could overflow memory and allow root access. The source bundle does not identify affected versions or vendor fixes. Most likely limited to legacy Unix/Linux systems still running vulnerable Vixie cron builds. Exposure requires local user access and crontab editing capability. The supplied sources do not name specific distributions, package versions, or CPEs. Treat this as a legacy-system risk, not a broad internet-facing emergency. Prioritize environments with shared shell access, old Unix/Linux hosts, or unsupported cron packages because successful exploitation could mean full system compromise. Mitigation focus: Inventory systems using Vixie cron or distribution cron packages derived from it.; Check vendor or distribution advisories for the fixed package version.; Upgrade or replace unsupported legacy cron packages where vendor guidance confirms risk..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-1999-0872 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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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
Products and packages named in the record
CWE details
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