Vulnerability Report

CVE-2016-7073

Title: Powerdns Authoritative Improper Input Validation

Improper Input Validation

Proof Of Concept

No public PoC currently indexed for CVE-2016-7073.

CWE Category CWE-20
Published Date Sep 11, 2018
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.3 CVSS v3.0
Exploit Probability (EPSS)
1.23%

Vulnerability Summary

CVE-2016-7073: An issue has been found in PowerDNS before 3.4.11 and 4.0.2, and PowerDNS recursor before 4.0.4, allowing an attacker in position of man-in-the-middle to alter the content of an AXFR because of insufficient validation of TSIG signatures. A missing check of the TSIG time and fudge values was found in AXFRRetriever, leading to a possible replay attack.

Impacted Vendors

P
powerdns 2

Reference Links

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7073 https://doc.powerdns.com/md/security/powerdns-advisory-2016-04/ https://www.debian.org/security/2017/dsa-3764 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7073 https://doc.powerdns.com/md/security/powerdns-advisory-2016-04/ https://www.debian.org/security/2017/dsa-3764
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
5.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
5.9
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2016-7073 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected Stack

No specific products linked.