Buffer overflow in Digium Asterisk
CVE-2018-19278
Buffer overflow in DNS SRV and NAPTR lookups in Digium Asterisk 15.x before 15.6.2 and 16.x before 16.0.1 allows remote attackers to crash Asterisk via a specially crafted DNS SRV or NAPTR response, because a buffer size is supposed to mat…
Vulnerability class: Buffer Overflow
EPSS: 0.036 (88.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Digium Asterisk — versions 15.0.0, 15.1.0, 15.1.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-19278?
- CVE-2018-19278 is a high-severity vulnerability in Digium Asterisk, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2018-11-14.
- How severe is CVE-2018-19278?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-19278 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.