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SUSE SLED15 / SLES15 Security Update : unbound (SUSE-SU-2020:1772-1)
high Nessus Plugin ID 138302
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Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for unbound fixes the following issues :CVE-2020-12662: Fixed an issue where unbound could have been tricked into amplifying an incoming query into a large number of queries directed to a target (bsc#1171889).
CVE-2020-12663: Fixed an issue where malformed answers from upstream name servers could have been used to make unbound unresponsive (bsc#1171889).
CVE-2019-18934: Fixed a vulnerability in the IPSec module which could have allowed code execution after receiving a special crafted answer (bsc#1157268).
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Module for Basesystem 15-SP2 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-1772=1
SUSE Linux Enterprise Module for Basesystem 15-SP1 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-1772=1
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1157268
https://bugzilla.suse.com/show_bug.cgi?id=1171889
https://www.suse.com/security/cve/CVE-2019-18934/
https://www.suse.com/security/cve/CVE-2020-12662/
Plugin Details
Severity: High
ID: 138302
File Name: suse_SU-2020-1772-1.nasl
Version: 1.3
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 7/9/2020
Updated: 3/1/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.2
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2019-18934
CVSS v3
Risk Factor: High
Base Score: 7.3
Temporal Score: 6.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:unbound-anchor-debuginfo, p-cpe:/a:novell:suse_linux:libunbound2, p-cpe:/a:novell:suse_linux:unbound-debugsource, p-cpe:/a:novell:suse_linux:libunbound2-debuginfo, p-cpe:/a:novell:suse_linux:unbound-debuginfo, p-cpe:/a:novell:suse_linux:unbound-anchor, p-cpe:/a:novell:suse_linux:unbound-devel, cpe:/o:novell:suse_linux:15
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 6/26/2020
Vulnerability Publication Date: 11/19/2019