SB2018052228 - Assertion failure in bind (Alpine package)
Published: May 22, 2018
Security Bulletin ID
SB2018052228
CSH 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 vulnerability.
1) Assertion failure (CVE-ID: CVE-2018-5737)
CWE-ID: CWE-617 - Reachable Assertion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists on the systems that permit recursion to clients and that have the max-stale-ttl parameter set to a non-zero value due to a flaw in the serve-stale implementation even when serve-stale is not enabled. A remote attacker can trigger an assertion failure in rbtdb.c cause performance degradation on the target system such as recursion loops or excessive logging.
Remediation
Install update from vendor's website.