CVE-2017-17090
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 81.5%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 81.51% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-459
- Affected
- digium/certified asterisk · digium/asterisk
- Source
- cve@mitre.org
References
- http://downloads.digium.com/pub/security/AST-2017-013.htmlVendor Advisory
- http://www.securityfocus.com/bid/102023Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039948
- https://issues.asterisk.org/jira/browse/ASTERISK-27452Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00028.html
- https://www.debian.org/security/2017/dsa-4076
- https://www.exploit-db.com/exploits/43992/
- http://downloads.digium.com/pub/security/AST-2017-013.htmlVendor Advisory
- http://www.securityfocus.com/bid/102023Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039948
- https://issues.asterisk.org/jira/browse/ASTERISK-27452Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00028.html
- https://www.debian.org/security/2017/dsa-4076
- https://www.exploit-db.com/exploits/43992/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.