SB2018112622 - Out-of-bounds read in pdns-recursor (Alpine package)
Published: November 26, 2018
Security Bulletin ID
SB2018112622
Severity
Low
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) Out-of-bounds read (CVE-ID: CVE-2018-16855)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to out-of-bounds memory read while computing the hash of the query for a packet cache lookup. A remote attacker can send a specially crafted DNS query and cause the service to crash.
Remediation
Install update from vendor's website.