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CVE-2017-17090
Current Description
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.
Basic Data
| Published | December 02, 2017 |
|---|---|
| Last Modified | October 03, 2019 |
| Assigner | cve@mitre.org |
| Data Type | CVE |
| Data Format | MITRE |
| Data Version | 4.0 |
| Problem Type | CWE-459 |
| CVE Data Version | 4.0 |
Base Metric V2
| CVSS 2 - Version | 2.0 |
|---|---|
| CVSS 2 - Vector String | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| CVSS 2 - Access Vector | NETWORK |
| CVSS 2 - Access Complexity | LOW |
| CVSS 2 - Authentication | NONE |
| CVSS 2 - Confidentiality Impact | NONE |
| CVSS 2 - Availability Impact | PARTIAL |
| CVSS 2 - Base Score | 5.0 |
| Severity | MEDIUM |
| Exploitability Score | 10.0 |
| Impact Score | 2.9 |
| Obtain All Privilege | false |
| Obtain User Privilege | false |
| Obtain Other Privilege | false |
Base Metric V3
| CVSS 3 - Version | 3.0 |
|---|---|
| CVSS 3 - Vector String | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CVSS 3 - Attack Vector | NETWORK |
| CVSS 3 - Attack Complexity | LOW |
| CVSS 3 - Privileges Required | NONE |
| CVSS 3 - User Interaction | NONE |
| CVSS 3 - Scope | UNCHANGED |
| CVSS 3 - Confidentiality Impact | NONE |
| CVSS 3 - Integrity Impact | NONE |
| CVSS 3 - Availability Impact | HIGH |
| CVSS 3 - Base Score | 7.5 |
| CVSS 3 - Base Severity | HIGH |
| Exploitability Score | 3.9 |
| Base Severity | HIGH |
Configurations
-
OR - Configuration 1
Cpe Version Part Vendor Product Version Update Edition Language SW Edition Target SW Target HW Other Version Start Including Version End Including Version Start Excluding Version End Excluding 2.3 Application Digium Certified Asterisk * * * * * * * * 13.13 2.3 Application Digium Certified Asterisk 13.13 cert1 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert1_rc1 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert1_rc2 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert1_rc3 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert1_rc4 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert2 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert3 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert4 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert5 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert6 * * * * * * 2.3 Application Digium Certified Asterisk 13.13 cert7 * * * * * * -
OR - Configuration 2
Cpe Version Part Vendor Product Version Update Edition Language SW Edition Target SW Target HW Other Version Start Including Version End Including Version Start Excluding Version End Excluding 2.3 Application Digium Asterisk * * * * * * * * 13.8.2 -
OR - Configuration 3
Cpe Version Part Vendor Product Version Update Edition Language SW Edition Target SW Target HW Other Version Start Including Version End Including Version Start Excluding Version End Excluding 2.3 Application Digium Asterisk * * * * * * * * 14.7.2 -
OR - Configuration 4
Cpe Version Part Vendor Product Version Update Edition Language SW Edition Target SW Target HW Other Version Start Including Version End Including Version Start Excluding Version End Excluding 2.3 Application Digium Asterisk * * * * * * * * 15.1.2
Vulnerable Software List
| Vendor | Product | Versions |
|---|---|---|
| Digium | Certified Asterisk | *, 13.13 |
| Digium | Asterisk | * |
References
| Name | Source | URL | Tags |
|---|---|---|---|
| http://downloads.digium.com/pub/security/AST-2017-013.html | http://downloads.digium.com/pub/security/AST-2017-013.html | CONFIRM | Vendor Advisory |
| 102023 | http://www.securityfocus.com/bid/102023 | BID | Third Party Advisory VDB Entry |
| 1039948 | http://www.securitytracker.com/id/1039948 | SECTRACK | |
| https://issues.asterisk.org/jira/browse/ASTERISK-27452 | https://issues.asterisk.org/jira/browse/ASTERISK-27452 | CONFIRM | Issue Tracking Vendor Advisory |
| [debian-lts-announce] 20171230 [SECURITY] [DLA 1225-1] asterisk security update | https://lists.debian.org/debian-lts-announce/2017/12/msg00028.html | MLIST | |
| DSA-4076 | https://www.debian.org/security/2017/dsa-4076 | DEBIAN | |
| 43992 | https://www.exploit-db.com/exploits/43992/ | EXPLOIT-DB |