CVE-2018-19278 - CVE House
Back to Database
Status published High CVE-2018-19278

Buffer overflow in DNS SRV and NAPTR lookups in Digium...

Vulnerability Description

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 match an expanded length but actually matches a compressed length.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2018-19278

Credits & Attribution

No credits recorded in the NVD database.

References

More from digium

View All →
CVE-2022-26651
An issue was discovered in Asterisk through 19.x and Certified...
Critical 9.8
CVE-2022-26499
An SSRF issue was discovered in Asterisk through 19.x. When...
Critical 9.1
CVE-2022-26498
An issue was discovered in Asterisk through 19.x. When using...
High 7.5
CVE-2021-32558
An issue was discovered in Sangoma Asterisk 13.x before 13.38.3,...
High 7.5
CVE-2021-31878
An issue was discovered in PJSIP in Asterisk before 16.19.1...
Medium 6.5

Affected Vendor

Affected Software

asterisk
Vulnerable Versions:
15.0.0, 15.1.0, 15.1.2, 15.1.3, 15.1.4, 15.1.5, 15.2.0, 15.2.1, 15.2.2, 15.3.0, 15.4.0, 15.4.1, 15.5.0, 15.6.0, 15.6.1, 16.0.0, 16.0.1

Timeline

Official Publish: November 14th, 2018
Last Modified: September 16th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.