An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older…
Priority HIGH 74CWE-459Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chan_skinny (aka SCCP protocol) channel driver is flooded with certain requests, it can cause the asterisk process to use excessive amounts of virtual memory, eventually causing asterisk to stop processing requests of any kind.
Why it matters now
EPSS 0.82196 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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 · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:digium:certified_asterisk:*:*:*:*:*:*:*:* | up to 13.13 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert1:*:*:*:*:*:* | 13.13 cert1 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc1:*:*:*:*:*:* | 13.13 cert1_rc1 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc2:*:*:*:*:*:* | 13.13 cert1_rc2 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc3:*:*:*:*:*:* | 13.13 cert1_rc3 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc4:*:*:*:*:*:* | 13.13 cert1_rc4 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert2:*:*:*:*:*:* | 13.13 cert2 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert3:*:*:*:*:*:* | 13.13 cert3 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert4:*:*:*:*:*:* | 13.13 cert4 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert5:*:*:*:*:*:* | 13.13 cert5 | Vulnerable | Digium |
- cpe:2.3:a:digium:certified_asterisk:*:*:*:*:*:*:*:* Versions up to 13.13 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1:*:*:*:*:*:* Versions 13.13 cert1 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc1:*:*:*:*:*:* Versions 13.13 cert1_rc1 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc2:*:*:*:*:*:* Versions 13.13 cert1_rc2 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc3:*:*:*:*:*:* Versions 13.13 cert1_rc3 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc4:*:*:*:*:*:* Versions 13.13 cert1_rc4 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert2:*:*:*:*:*:* Versions 13.13 cert2 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert3:*:*:*:*:*:* Versions 13.13 cert3 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert4:*:*:*:*:*:* Versions 13.13 cert4 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert5:*:*:*:*:*:* Versions 13.13 cert5 Vulnerable ·Digium
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:digium:certified_asterisk:13.13:cert6:*:*:*:*:*:* | 13.13 cert6 | Vulnerable | Digium |
| cpe:2.3:a:digium:certified_asterisk:13.13:cert7:*:*:*:*:*:* | 13.13 cert7 | Vulnerable | Digium |
| cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | up to 13.8.2; up to 14.7.2; up to 15.1.2 | Vulnerable | Digium |
- cpe:2.3:a:digium:certified_asterisk:13.13:cert6:*:*:*:*:*:* Versions 13.13 cert6 Vulnerable ·Digium
- cpe:2.3:a:digium:certified_asterisk:13.13:cert7:*:*:*:*:*:* Versions 13.13 cert7 Vulnerable ·Digium
- cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* Versions up to 13.8.2; up to 14.7.2; up to 15.1.2 Vulnerable ·Digium
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2017-17090
- 2026-10-03 Alias added: GHSA-m542-x3mj-mpgq
References
More Digium Asterisk vulnerabilities
- TI-2006-05256 Integer overflow in the get_input function in the Skinny channel driver (chan_skinny.c)… CVSS 2.0HIGH 7.5
- TI-2023-27195 Asterisk susceptible to Denial of Service via DTLS Hello packets during call initiation CVSS 3.1HIGH 7.5
- TI-2017-13083 An issue was discovered in Asterisk 13.18.4 and older, 14.7.4 and older, 15.1.4 and… CVSS 3.0HIGH 7.5
- TI-2019-13459 An issue was discovered in manager.c in Sangoma Asterisk through 13.x, 16.x, 17.x and… CVSS 3.1HIGH 8.8
- TI-2018-05283 A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5… CVSS 3.0HIGH 7.5
- TI-2018-12332 There is a stack consumption vulnerability in the res_http_websocket.so module of… CVSS 3.0HIGH 7.5
Sources
- CVE-2017-17090 · CVE Program
- CVE-2017-17090 · NVD
- FIRST EPSS
- GHSA-m542-x3mj-mpgq · GitHub Advisory Database · CC BY 4.0
- CVE-2017-17090 · 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