Input validation error - CVE-2018-1000003

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU33493

Input validation error - CVE-2018-1000003

Published: January 22, 2018 / Updated: August 4, 2020


Vulnerability identifier: #VU33493
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-1000003
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Improper input validation bugs in DNSSEC validators components in PowerDNS version 4.1.0 allow attacker in man-in-the-middle position to deny existence of some data in DNS via packet replay.


Affected software

pdns-recursor (Alpine package)
pdns-recursor
Fedora

How to mitigate CVE-2018-1000003

Install update from vendor's website.

pdns-recursor (Alpine package) - update to 4.1.1-r0
pdns-recursor - addressed in versions 4.1.3-2.el7, 4.1.3-2.fc27

External References

Related Security Bulletins