Upstream information

CVE-2016-2120 at MITRE

Description

An issue has been found in PowerDNS Authoritative Server versions up to and including 3.4.10, 4.0.1 allowing an authorized user to crash the server by inserting a specially crafted record in a zone under their control then sending a DNS query for that record. The issue is due to an integer overflow when checking if the content of the record matches the expected size, allowing an attacker to cause a read past the buffer boundary.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4
Vector AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 6.5
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector Network
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3
SUSE Bugzilla entry: 1018329 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • pdns >= 4.5.1-1.5
  • pdns-backend-geoip >= 4.5.1-1.5
  • pdns-backend-godbc >= 4.5.1-1.5
  • pdns-backend-ldap >= 4.5.1-1.5
  • pdns-backend-lmdb >= 4.5.1-1.5
  • pdns-backend-lua >= 4.5.1-1.5
  • pdns-backend-mysql >= 4.5.1-1.5
  • pdns-backend-postgresql >= 4.5.1-1.5
  • pdns-backend-remote >= 4.5.1-1.5
  • pdns-backend-sqlite3 >= 4.5.1-1.5
  • pdns-recursor >= 4.5.5-1.3
Patchnames:
openSUSE Tumbleweed GA pdns-4.5.1-1.5
openSUSE Tumbleweed GA pdns-recursor-4.5.5-1.3


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
HPE Helion OpenStack 8 pdns Analysis
SUSE OpenStack Cloud 8 pdns Analysis
SUSE OpenStack Cloud 9 pdns Analysis