Main Vulnerability Database Vulnerabilities #VU33173

Double Free in ldns - CVE-2017-1000232

Published: November 17, 2017 / Updated: August 3, 2020

Vulnerability identifier: #VU33173

CSH Severity: High

CVSS v4: 9.3 [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]

CVE-ID: CVE-2017-1000232

CWE-ID: CWE-415

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

A double-free vulnerability in str2host.c in ldns 1.7.0 have unspecified impact and attack vectors.

ldns
ldns (Alpine package)
ldns
Opensuse
Fedora

Install update from vendor's website.

ldns (Alpine package) - update to 1.7.0-r1
ldns - addressed in versions 1.6.17-22.fc25, 1.7.0-4.fc26, 1.7.0-9.fc27