Out-of-bounds read in Dnsmasq - CVE-2019-14513
Published: August 2, 2019
Vulnerability identifier: #VU19919
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-14513
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Dnsmasq
Dnsmasq
Detailed vulnerability description
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.
How to mitigate CVE-2019-14513
Install update from vendor's website.