Vulnerability Details : CVE-2016-7074
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 that the TSIG record is the last one, leading to the possibility of parsing records that are not covered by the TSIG signature.
Vulnerability category: Input validation
Products affected by CVE-2016-7074
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
- cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
- cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
Threat overview for CVE-2016-7074
Top countries where our scanners detected CVE-2016-7074
Top open port discovered on systems with this issue
53
IPs affected by CVE-2016-7074 7,135
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2016-7074
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-7074
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.2
|
3.6
|
NIST | |
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
Red Hat, Inc. |
CWE ids for CVE-2016-7074
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2016-7074
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7074
1627409 – (CVE-2016-7074) CVE-2016-7074 pdns: Insufficient validation of TSIG signaturesIssue Tracking;Third Party Advisory
-
https://www.debian.org/security/2017/dsa-3764
Debian -- Security Information -- DSA-3764-1 pdnsThird Party Advisory
-
https://doc.powerdns.com/md/security/powerdns-advisory-2016-04/
Advisory 2016-04Vendor Advisory
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