Detections
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NewStart CGSL CORE 5.05 / MAIN 5.05 : unbound Multiple Vulnerabilities (NS-SA-2021-0142)
high Nessus Plugin ID 154518
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Synopsis
The remote NewStart CGSL host is affected by multiple vulnerabilities.Description
The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has unbound packages installed that are affected by multiple vulnerabilities:- An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared to versions of Unbound that shipped before the mentioned erratum. This issue is about the incomplete fix for CVE-2020-12662, and it does not affect upstream versions of Unbound. (CVE-2020-10772)
- Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an NXNSAttack issue. This is triggered by random subdomains in the NSDNAME in NS records. (CVE-2020-12662)
- Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.
(CVE-2020-12663)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade the vulnerable CGSL unbound packages. Note that updated packages may not be available yet. Please contact ZTE for more information.See Also
http://security.gd-linux.com/notice/NS-SA-2021-0142
http://security.gd-linux.com/info/CVE-2020-10772
Plugin Details
Severity: High
ID: 154518
File Name: newstart_cgsl_NS-SA-2021-0142_unbound.nasl
Version: 1.2
Type: local
Published: 10/27/2021
Updated: 10/27/2021
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2020-12663
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:zte:cgsl_main:unbound-libs, cpe:/o:zte:cgsl_main:5, p-cpe:/a:zte:cgsl_main:unbound-python, p-cpe:/a:zte:cgsl_core:unbound-debuginfo, p-cpe:/a:zte:cgsl_core:unbound-devel, p-cpe:/a:zte:cgsl_main:unbound, p-cpe:/a:zte:cgsl_main:unbound-debuginfo, cpe:/o:zte:cgsl_core:5, p-cpe:/a:zte:cgsl_core:unbound-python, p-cpe:/a:zte:cgsl_core:unbound, p-cpe:/a:zte:cgsl_core:unbound-libs, p-cpe:/a:zte:cgsl_main:unbound-devel
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/ZTE-CGSL/release, Host/ZTE-CGSL/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 9/24/2021
Vulnerability Publication Date: 5/19/2020