Security readout for executives and security teams
A legacy BSDi 3.0/4.0 utility called rcvtty, part of the mh mail package, did not properly give up its elevated permissions before running a helper script. A logged-in user on that system could point it at their own script and have it run with higher privileges than they should have. This is a very old, local-only issue on unsupported BSDi systems. Exposure is limited to systems still running BSDi 3.0 or 4.0 with the mh mail package installed and rcvtty accessible to local users. BSDi is a discontinued commercial UNIX from the early 2000s, so real-world exposure today is negligible outside historical or research environments. Very low priority for modern environments. Only relevant if the business still operates BSDi 3.0/4.0 systems, in which case the larger risk is running unsupported software, not this specific bug. Fold remediation into a broader legacy-system decommissioning plan rather than treating it as an urgent standalone issue. Mitigation focus: Inventory any surviving BSDi 3.0/4.0 hosts and plan migration to a supported OS.; Remove or restrict execute permissions on rcvtty where the mh package is not required.; Consult BSDi/mh package vendor guidance for any historical patch before applying fixes..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2000-1103 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
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Source materials
- CVE List V5 sourceCVE List V5
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