CVE-2015-5470
What it is
The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 11.3% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 11.3% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 11.3% · EPSS, next 30 days
- Weakness
- CWE-399
- Record status
- Modified
Affected
- Powerdns Authoritative ≤ 3.3.2
- Powerdns Authoritative 3.4.0
- Powerdns Authoritative 3.4.1
- Powerdns Authoritative 3.4.2
- Powerdns Authoritative 3.4.3
- Powerdns Authoritative 3.4.4
- Powerdns Recursor ≤ 3.6.3
- Powerdns Recursor 3.7.1
Attack profile CVSS 2.0 · 7.8
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
Raw vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2015-5470.md and follow it. Check whether this project is affected by CVE-2015-5470. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/
- https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/
References
- http://www.openwall.com/lists/oss-security/2015/07/07/6
- http://www.openwall.com/lists/oss-security/2015/07/10/8
- https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/
- http://www.openwall.com/lists/oss-security/2015/07/07/6
- http://www.openwall.com/lists/oss-security/2015/07/10/8
- https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/