CVE-2006-4251: Buffer Overflow
First published: Tue Nov 14 2006(Updated: )
Buffer overflow in PowerDNS Recursor 3.1.3 and earlier might allow remote attackers to execute arbitrary code via a malformed TCP DNS query that prevents Recursor from properly calculating the TCP DNS query length.
Credit: security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PowerDNS | <=3.1.3 | |
| PowerDNS | =2.0_rc1 | |
| PowerDNS | =2.8 | |
| PowerDNS | =2.9.15 | |
| PowerDNS | =2.9.16 | |
| PowerDNS | =2.9.17 | |
| PowerDNS | =2.9.18 | |
| PowerDNS | =3.0 | |
| PowerDNS | =3.0.1 | |
| PowerDNS | =3.1 | |
| PowerDNS | =3.1.1 | |
| PowerDNS | =3.1.2 |
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Reference Links
- http://doc.powerdns.com/powerdns-advisory-2006-01.html
- http://www.securityfocus.com/bid/21037
- http://secunia.com/advisories/22824
- http://www.debian.org/security/2006/dsa-1211
- http://lists.suse.com/archive/suse-security-announce/2006-Nov/0007.html
- http://secunia.com/advisories/22903
- http://secunia.com/advisories/22976
- http://www.vupen.com/english/advisories/2006/4484
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30270
Frequently Asked Questions
What is the severity of CVE-2006-4251?
CVE-2006-4251 has a high severity rating due to the potential for remote code execution.
How do I fix CVE-2006-4251?
To fix CVE-2006-4251, upgrade to PowerDNS Recursor version 3.1.4 or later.
What versions of PowerDNS Recursor are affected by CVE-2006-4251?
CVE-2006-4251 affects PowerDNS Recursor versions up to and including 3.1.3, as well as several earlier versions.
Can CVE-2006-4251 be exploited remotely?
Yes, CVE-2006-4251 can be exploited remotely via a malformed TCP DNS query.
What is the nature of the vulnerability in CVE-2006-4251?
The vulnerability in CVE-2006-4251 is a buffer overflow that occurs during DNS query length calculation.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/remedy
- agent/weakness
- agent/author
- agent/last-modified-date
- agent/references
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/powerdns
- canonical/powerdns
- version/powerdns/3.1.3
- version/powerdns/2.0_rc1
- version/powerdns/2.8
- version/powerdns/2.9.15
- version/powerdns/2.9.16
- version/powerdns/2.9.17
- version/powerdns/2.9.18
- version/powerdns/3.0
- version/powerdns/3.0.1
- version/powerdns/3.1
- version/powerdns/3.1.1
- version/powerdns/3.1.2