Vulnerability in Digium Asterisk
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. 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.822 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.815 · newest: 0.822 · change: +0.007
Affected products
- Digium Asterisk
- Digium Certified Asterisk — versions 13.13
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1039948 (vdb-entry)
- www.exploit-db.com/exploits/43992/ (exploit)
- www.securityfocus.com/bid/102023 (VDB Entry, Third Party Advisory, vdb-entry)
- issues.asterisk.org/jira/browse/ASTERISK-27452 (Issue Tracking, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2017/12/msg00028.html (mailing-list)
- www.debian.org/security/2017/dsa-4076 (vendor-advisory)
- downloads.digium.com/pub/security/AST-2017-013.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-17090?
- CVE-2017-17090 is a high-severity vulnerability in Digium Asterisk, classified under Incomplete Cleanup. CVSS score: 7.5/10. Published 2017-12-02.
- How severe is CVE-2017-17090?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-17090 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.