SB2019080205 - Buffer overflow in Dnsmasq
Published: August 2, 2019
Security Bulletin ID
SB2019080205
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
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-2019-14513)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a boundary error when processing DNS packets. The vulnerability allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet.
Successful exploitation of this vulnerability may result in sensitive data disclosure or denial of service conditions.
Remediation
Install update from vendor's website.