Debian Security Advisory DSA 4424-1 (pdns - security update)

Published: 2019-04-06 02:00:07
CVE Author: NIST National Vulnerability Database (NVD)

CVSS Base Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:P

Summary:
The remote host is missing an update for the 'pdns' Linux Distribution Package(s) announced via the DSA-4424-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
Adam Dobrawy, Frederico Silva and Gregory Brzeski from HyperOne.com discovered that pdns, an authoritative DNS server, did not properly validate user-supplied data when building a HTTP request from a DNS query in the HTTP Connector of the Remote backend. This would allow a remote user to cause either a denial-of-service, or information disclosure.

Affected Versions:
'pdns' Linux Distribution Package(s) on Debian Linux.

Recommendations:
For the stable distribution (stretch), this problem has been fixed in version 4.0.3-1+deb9u4. We recommend that you upgrade your pdns Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2019-3871

References:

https://www.debian.org/security/2019/dsa-4424.html
https://security-tracker.debian.org/tracker/DSA-4424-1

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Severity
Medium
CVSS Score
6.5

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