SB2018080912 - Denial of service in ISC BIND
Published: August 9, 2018
Security Bulletin ID
SB2018080912
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Assertion failure (CVE-ID: CVE-2018-5740)
The vulnerability allows an attacker to perform denial of service (DoS) attack.
The vulnerability exists due to INSIST assertion failure in name.c when processing recursive queries. A remote attacker can trigger denial of service conditions if the affected server is configured with enabled "deny-answer-aliases" feature.
Remediation
Install update from vendor's website.