Array index error in the dahdi/tor2.c driver in Zaptel (aka DAHDI) 1.4.11 and earlier…
Priority LOW 32CWE-189Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
Array index error in the dahdi/tor2.c driver in Zaptel (aka DAHDI) 1.4.11 and earlier allows local users in the dialout group to overwrite an integer value in kernel memory by writing to /dev/zap/ctl, related to an incorrect tor2 patch for CVE-2008-5396 that uses the wrong variable in a range check against the value of lc->sync.
Why it matters now
EPSS 0.0047 40th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:asterisk:zaptel:*:*:*:*:*:*:*:* | up to 1.4.11 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:zaptel:1.2:*:*:*:*:*:*:* | 1.2 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:zaptel:1.2.27:*:*:*:*:*:*:* | 1.2.27 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:zaptel:1.4:*:*:*:*:*:*:* | 1.4 | Vulnerable | asterisk |
- cpe:2.3:a:asterisk:zaptel:*:*:*:*:*:*:*:* Versions up to 1.4.11 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:zaptel:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:zaptel:1.2.27:*:*:*:*:*:*:* Versions 1.2.27 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:zaptel:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·asterisk
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2008-5744
- 2026-10-03 Alias added: GHSA-86mj-x9g2-c7rh
References
More asterisk Zaptel vulnerabilities
- TI-2008-05136 Array index error in the (1) torisa.c and (2) dahdi/tor2.c drivers in Zaptel (aka DAHDI)… CVSS 2.0HIGH 7.2
- TI-2007-05463 Buffer overflow in sethdlc.c in the Asterisk Zaptel 1.4.5.1 might allow local users to… CVSS 2.0MEDIUM 4.6
Sources
- CVE-2008-5744 · CVE Program
- CVE-2008-5744 · NVD
- FIRST EPSS
- GHSA-86mj-x9g2-c7rh · GitHub Advisory Database · CC BY 4.0
- CVE-2008-5744 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences