#VU14571 Security restrictions bypass in Knot Resolver - CVE-2018-10920

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Main Vulnerability Database Vulnerabilities #VU14571

#VU14571 Security restrictions bypass in Knot Resolver - CVE-2018-10920

Published: August 27, 2018 / Updated: August 30, 2018


Vulnerability identifier: #VU14571
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-10920
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Knot Resolver
Software vendor:
Nic

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error in DNS resolver component when processing malicious input. A remote attacker can supply specially crafted data, bypass security restrictions and poison cache.


Remediation

Update to version 2.4.1.

External links