Read the docs
TI-2000-00636 Aliases CVE-2000-0638GHSA-3rjv-37hg-wc7j

bb-hostsvc.sh in Big Brother 1.4h1 and earlier allows remote attackers to read arbitrary…

Priority MEDIUM 50Published · Updated

Key facts

Attack vector
Network
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

bb-hostsvc.sh in Big Brother 1.4h1 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) attack on the HOSTSVC parameter.

Why it matters now

EPSS 0.04109 90th 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 · 12

CPEVersionsRoleVendor
cpe:2.3:a:sean_macguire:big_brother:1.0:*:*:*:*:*:*:*1.0VulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.1:*:*:*:*:*:*:*1.1VulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.2:*:*:*:*:*:*:*1.2VulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.3:*:*:*:*:*:*:*1.3VulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.3b:*:*:*:*:*:*:*1.3bVulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.4:*:*:*:*:*:*:*1.4VulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.4g:*:*:*:*:*:*:*1.4gVulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.4h:*:*:*:*:*:*:*1.4hVulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.4h1:*:*:*:*:*:*:*1.4h1VulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.09b:*:*:*:*:*:*:*1.09bVulnerableSean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.3:*:*:*:*:*:*:* Versions 1.3 Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.3b:*:*:*:*:*:*:* Versions 1.3b Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.4g:*:*:*:*:*:*:* Versions 1.4g Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.4h:*:*:*:*:*:*:* Versions 1.4h Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.4h1:*:*:*:*:*:*:* Versions 1.4h1 Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.09b:*:*:*:*:*:*:* Versions 1.09b Vulnerable ·Sean Macguire
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:sean_macguire:big_brother:1.09c:*:*:*:*:*:*:*1.09cVulnerableSean Macguire
cpe:2.3:a:sean_macguire:big_brother:1.09d:*:*:*:*:*:*:*1.09dVulnerableSean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.09c:*:*:*:*:*:*:* Versions 1.09c Vulnerable ·Sean Macguire
  • cpe:2.3:a:sean_macguire:big_brother:1.09d:*:*:*:*:*:*:* Versions 1.09d Vulnerable ·Sean Macguire

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2000-0638
  2. 2026-10-03 Alias added: GHSA-3rjv-37hg-wc7j

References

  • TI-2000-00637 The default configuration of Big Brother 1.4h2 and earlier does not include proper access… CVSS 2.0HIGH 7.5
  • TI-2000-00450 Vulnerability in bbd server in Big Brother System and Network Monitor allows an attacker to execute arbitrary commands. CVSS 2.0HIGH 7.5

Sources