CVE-2018-1046: Buffer Overflow
First published: Mon Jul 16 2018(Updated: )
Last updated 14 January 2025
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/pdns | 4.4.1-1 4.7.3-2 4.9.3-1 | |
| PowerDNS | <4.1.2 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1046
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1046
- https://nvd.nist.gov/vuln/detail/CVE-2018-1046
- https://launchpad.net/bugs/cve/CVE-2018-1046
- https://security-tracker.debian.org/tracker/CVE-2018-1046
- https://ubuntu.com/security/CVE-2018-1046
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2018-02.html
- https://github.com/PowerDNS/pdns/commit/f9c57c98da1b1007a51680629b667d57d9b702b8
Frequently Asked Questions
What is CVE-2018-1046?
CVE-2018-1046 is a vulnerability in pdns before version 4.1.2 that allows for a buffer overflow in dnsreplay.
How does CVE-2018-1046 impact PowerDNS?
CVE-2018-1046 can lead to a stack-based buffer overflow in the dnsreplay tool provided with PowerDNS, resulting in a crash and potentially arbitrary code execution.
What software versions are affected by CVE-2018-1046?
Software versions of PowerDNS (pdns) up to but excluding version 4.1.2 are affected by CVE-2018-1046.
What is the severity rating of CVE-2018-1046?
CVE-2018-1046 has a severity rating of 7.8 (Critical).
How can CVE-2018-1046 be fixed?
To fix CVE-2018-1046, upgrade PowerDNS (pdns) to version 4.1.2 or later.
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