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Debian DSA-3910-1 : knot - security update
medium Nessus Plugin ID 101555
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Synopsis
The remote Debian host is missing a security-related update.Description
Clement Berthaux from Synaktiv discovered a signature forgery vulnerability in knot, an authoritative-only DNS server. This vulnerability allows an attacker to bypass TSIG authentication by sending crafted DNS packets to a server.Solution
Upgrade the knot packages.For the oldstable distribution (jessie), this problem has been fixed in version 1.6.0-1+deb8u1.
For the stable distribution (stretch), this problem has been fixed in version 2.4.0-3+deb9u1.
For the testing (buster) and unstable (sid), this problem will be fixed in a later update.
See Also
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865678
https://packages.debian.org/source/jessie/knot
Plugin Details
Severity: Medium
ID: 101555
File Name: debian_DSA-3910.nasl
Version: 3.8
Type: local
Agent: unix
Family: Debian Local Security Checks
Published: 7/17/2017
Updated: 1/4/2021
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.2
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS v3
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 5.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:debian:debian_linux:knot, cpe:/o:debian:debian_linux:8.0, cpe:/o:debian:debian_linux:9.0
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 7/14/2017
Reference Information
CVE: CVE-2017-11104
DSA: 3910