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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sean_macguire:big_brother:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.1:*:*:*:*:*:*:* | 1.1 | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.2:*:*:*:*:*:*:* | 1.2 | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.3:*:*:*:*:*:*:* | 1.3 | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.3b:*:*:*:*:*:*:* | 1.3b | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.4:*:*:*:*:*:*:* | 1.4 | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.4g:*:*:*:*:*:*:* | 1.4g | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.4h:*:*:*:*:*:*:* | 1.4h | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.4h1:*:*:*:*:*:*:* | 1.4h1 | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.09b:*:*:*:*:*:*:* | 1.09b | Vulnerable | Sean 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sean_macguire:big_brother:1.09c:*:*:*:*:*:*:* | 1.09c | Vulnerable | Sean Macguire |
| cpe:2.3:a:sean_macguire:big_brother:1.09d:*:*:*:*:*:*:* | 1.09d | Vulnerable | Sean 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
- 2026-10-02 Threatist record created from CVE-2000-0638
- 2026-10-03 Alias added: GHSA-3rjv-37hg-wc7j
References
More Sean Macguire Big Brother vulnerabilities
- 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
- CVE-2000-0638 · CVE Program
- CVE-2000-0638 · NVD
- FIRST EPSS
- GHSA-3rjv-37hg-wc7j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences