Stack-based buffer overflow in gdnsd - CVE-2019-13951
Published: July 18, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU35703
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-13951
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: blblack (Brandon L Black)
Affected software:
gdnsd
gdnsd
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing a long and malformed IPv4 address in zone data. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-13951
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.