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TI-2000-01091 Aliases CVE-2000-1103GHSA-x37q-rf4q-x5w3

rcvtty in BSD 3.0 and 4.0 does not properly drop privileges before executing a script…

Priority LOW 33Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

rcvtty in BSD 3.0 and 4.0 does not properly drop privileges before executing a script, which allows local attackers to gain privileges by specifying an alternate Trojan horse script on the command line.

Why it matters now

EPSS 0.00941 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:bsdi:bsd_os:3.0:*:*:*:*:*:*:*3.0VulnerableBsdi
cpe:2.3:o:bsdi:bsd_os:3.1:*:*:*:*:*:*:*3.1VulnerableBsdi
cpe:2.3:o:bsdi:bsd_os:4.0:*:*:*:*:*:*:*4.0VulnerableBsdi
cpe:2.3:o:bsdi:bsd_os:4.0.1:*:*:*:*:*:*:*4.0.1VulnerableBsdi
  • cpe:2.3:o:bsdi:bsd_os:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Bsdi
  • cpe:2.3:o:bsdi:bsd_os:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Bsdi
  • cpe:2.3:o:bsdi:bsd_os:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Bsdi
  • cpe:2.3:o:bsdi:bsd_os:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·Bsdi

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2000-1103
  2. 2026-10-03 Alias added: GHSA-x37q-rf4q-x5w3

References

—

  • TI-1999-00042 Command execution via shell metachars in INN daemon (innd) 1.5 using "newgroup" and… CVSS 3.1CRITICAL 9.8
  • TI-1999-00045 Buffer overflow of rlogin program using TERM environmental variable. CVSS 2.0HIGH 10.0
  • TI-1999-00009 Inverse query buffer overflow in BIND 4.9 and BIND 8 Releases. CVSS 2.0HIGH 10.0
  • TI-1999-00002 Buffer overflow in NFS mountd gives root access to remote attackers, mostly in Linux systems. CVSS 2.0HIGH 10.0
  • TI-1999-00041 Buffer overflow in University of Washington's implementation of IMAP and POP servers. CVSS 2.0HIGH 10.0
  • TI-2008-04392 The TCP implementation in (1) Linux, (2) platforms based on BSD Unix, (3) Microsoft… CVSS 2.0HIGH 7.1
See all 37 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences