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CVE-2015-5470

Date: November 2, 2015

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.

Language: C++

Severity Score

Related Resources (7)

http://www.openwall.com/lists/oss-security/2015/07/10/8
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-5470
http://www.openwall.com/lists/oss-security/2015/07/07/6
https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/
https://nvd.nist.gov/vuln/detail/CVE-2015-5470
https://security-tracker.debian.org/tracker/CVE-2015-5470
https://www.mend.io/vulnerability-database/CVE-2015-5470

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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