According to the versions of the bind packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - Using a specially-crafted message, an attacker may     potentially cause a BIND server to reach an     inconsistent state if the attacker knows (or     successfully guesses) the name of a TSIG key used by     the server. Since BIND, by default, configures a local     session key even on servers whose configuration does     not otherwise make use of it, almost all current BIND     servers are vulnerable. In releases of BIND dating from     March 2018 and after, an assertion check in tsig.c     detects this inconsistent state and deliberately exits.
    Prior to the introduction of the check the server would     continue operating in an inconsistent state, with     potentially harmful results.(CVE-2020-8617)

  - A malicious actor who intentionally exploits this lack     of effective limitation on the number of fetches     performed when processing referrals can, through the     use of specially crafted referrals, cause a recursing     server to issue a very large number of fetches in an     attempt to process the referral. This has at least two     potential effects: The performance of the recursing     server can potentially be degraded by the additional     work required to perform these fetches, and The     attacker can exploit this behavior to use the recursing     server as a reflector in a reflection attack with a     high amplification factor.(CVE-2020-8616)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the bind packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Using a specially-crafted message, an attacker may     potentially cause a BIND server to reach an     inconsistent state if the attacker knows (or     successfully guesses) the name of a TSIG key used by     the server. Since BIND, by default, configures a local     session key even on servers whose configuration does     not otherwise make use of it, almost all current BIND     servers are vulnerable. In releases of BIND dating from     March 2018 and after, an assertion check in tsig.c     detects this inconsistent state and deliberately exits.
    Prior to the introduction of the check the server would     continue operating in an inconsistent state, with     potentially harmful results.(CVE-2020-8617)

  - A malicious actor who intentionally exploits this lack     of effective limitation on the number of fetches     performed when processing referrals can, through the     use of specially crafted referrals, cause a recursing     server to issue a very large number of fetches in an     attempt to process the referral. This has at least two     potential effects: The performance of the recursing     server can potentially be degraded by the additional     work required to perform these fetches, and The     attacker can exploit this behavior to use the recursing     server as a reflector in a reflection attack with a     high amplification factor.(CVE-2020-8616)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the bind packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - Using a specially-crafted message, an attacker may     potentially cause a BIND server to reach an     inconsistent state if the attacker knows (or     successfully guesses) the name of a TSIG key used by     the server. Since BIND, by default, configures a local     session key even on servers whose configuration does     not otherwise make use of it, almost all current BIND     servers are vulnerable. In releases of BIND dating from     March 2018 and after, an assertion check in tsig.c     detects this inconsistent state and deliberately exits.
    Prior to the introduction of the check the server would     continue operating in an inconsistent state, with     potentially harmful results.(CVE-2020-8617)

  - A malicious actor who intentionally exploits this lack     of effective limitation on the number of fetches     performed when processing referrals can, through the     use of specially crafted referrals, cause a recursing     server to issue a very large number of fetches in an     attempt to process the referral. This has at least two     potential effects: The performance of the recursing     server can potentially be degraded by the additional     work required to perform these fetches, and The     attacker can exploit this behavior to use the recursing     server as a reflector in a reflection attack with a     high amplification factor.(CVE-2020-8616)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The version of Junos OS installed on the remote host is affected by a denial of service vulnerability as referenced in the JSA11091 advisory. 

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has bind packages installed that are affected by multiple vulnerabilities:

  - A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches     performed when processing referrals can, through the use of specially crafted referrals, cause a recursing     server to issue a very large number of fetches in an attempt to process the referral. This has at least     two potential effects: The performance of the recursing server can potentially be degraded by the     additional work required to perform these fetches, and The attacker can exploit this behavior to use the     recursing server as a reflector in a reflection attack with a high amplification factor. (CVE-2020-8616)

  - Using a specially-crafted message, an attacker may potentially cause a BIND server to reach an     inconsistent state if the attacker knows (or successfully guesses) the name of a TSIG key used by the     server. Since BIND, by default, configures a local session key even on servers whose configuration does     not otherwise make use of it, almost all current BIND servers are vulnerable. In releases of BIND dating     from March 2018 and after, an assertion check in tsig.c detects this inconsistent state and deliberately     exits. Prior to the introduction of the check the server would continue operating in an inconsistent     state, with potentially harmful results. (CVE-2020-8617)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-2383 advisory.

    - Correct tests covering CVE-2020-8617
    - Limit number of queries triggered by a request (CVE-2020-8616)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-2338 advisory.

    - Limit number of queries triggered by a request (CVE-2020-8616)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:2893 advisory.

    The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols.
    BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing     with DNS); and tools for verifying that the DNS server is operating correctly.

    Security Fix(es):

    * bind: A logic error in code which checks TSIG validity can be used to trigger an assertion failure in     tsig.c (CVE-2020-8617)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

An assertion failure was found in BIND, which checks the validity of messages containing TSIG resource records. This flaw allows an attacker that knows or successfully guesses the name of the TSIG key used by the server to use a specially crafted message, potentially causing a BIND server to reach an inconsistent state or cause a denial of service. A majority of BIND servers have an internally-generated TSIG session key whose name is trivially guessable, and that key exposes the vulnerability unless specifically disabled.
(CVE-2020-8617)

A flaw was found in BIND, where it does not sufficiently limit the number of fetches that can be performed while processing a referral response. This flaw allows an attacker to cause a denial of service attack. The attacker can also exploit this behavior to use the recursing server as a reflector in a reflection attack with a high amplification factor. (CVE-2020-8616)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3475 advisory.

    The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols.
    BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing     with DNS); and tools for verifying that the DNS server is operating correctly.

    Security Fix(es):

    * bind: BIND does not sufficiently limit the number of fetches performed when processing referrals     (CVE-2020-8616)

    * bind: A logic error in code which checks TSIG validity can be used to trigger an assertion failure in     tsig.c (CVE-2020-8617)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2344 advisory.

    The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols.
    BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing     with DNS); and tools for verifying that the DNS server is operating correctly.

    Security Fix(es):

    * bind: BIND does not sufficiently limit the number of fetches performed when processing referrals     (CVE-2020-8616)

    * bind: A logic error in code which checks TSIG validity can be used to trigger an assertion failure in     tsig.c (CVE-2020-8617)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
140000	EulerOS Virtualization for ARM 64 3.0.6.0 : bind (EulerOS-SA-2020-1897)	Nessus	Huawei Local Security Checks	8/28/2020	2/22/2024	high
140137	EulerOS 2.0 SP5 : bind (EulerOS-SA-2020-1916)	Nessus	Huawei Local Security Checks	9/2/2020	2/22/2024	high
142543	EulerOS Virtualization 3.0.6.6 : bind (EulerOS-SA-2020-2444)	Nessus	Huawei Local Security Checks	11/6/2020	2/9/2024	high
144982	Juniper Junos OS DoS (JSA11091)	Nessus	Junos Local Security Checks	1/14/2021	3/23/2023	medium
154482	NewStart CGSL CORE 5.05 / MAIN 5.05 : bind Multiple Vulnerabilities (NS-SA-2021-0137)	Nessus	NewStart CGSL Local Security Checks	10/27/2021	11/27/2023	high
137129	Oracle Linux 6 : bind (ELSA-2020-2383)	Nessus	Oracle Linux Local Security Checks	6/4/2020	10/22/2024	high
137219	Oracle Linux 8 : bind (ELSA-2020-2338)	Nessus	Oracle Linux Local Security Checks	6/8/2020	11/1/2024	high
138383	RHEL 7 : bind (RHSA-2020:2893)	Nessus	Red Hat Local Security Checks	7/13/2020	11/7/2024	medium
136749	Amazon Linux 2 : bind (ALAS-2020-1426)	Nessus	Amazon Linux Local Security Checks	5/21/2020	3/12/2024	high
139669	RHEL 7 : bind (RHSA-2020:3475)	Nessus	Red Hat Local Security Checks	8/18/2020	11/7/2024	high
137082	RHEL 7 : bind (RHSA-2020:2344)	Nessus	Red Hat Local Security Checks	6/3/2020	11/8/2024	high

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