The version of AHV installed on the remote host is prior to 20201105.1021. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AHV-20201105.1021 advisory.

  - In Network Security Services (NSS) before 3.46, several cryptographic primitives had missing length     checks. In cases where the application calling the library did not perform a sanity check on the inputs it     could result in a crash due to a buffer overflow. (CVE-2019-17006)

  - Heap buffer overflow in the TFTP protocol handler in cURL 7.19.4 to 7.65.3. (CVE-2019-5482)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 5.6.45 and prior, 5.7.27 and prior and 8.0.17 and prior. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise     MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. (CVE-2019-2974)

  - Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are     affected are 5.6.46 and prior, 5.7.28 and prior and 8.0.18 and prior. Difficult to exploit vulnerability     allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Client. (CVE-2020-2574)

  - Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are     affected are 5.6.47 and prior, 5.7.27 and prior and 8.0.17 and prior. Difficult to exploit vulnerability     allows low privileged attacker with network access via multiple protocols to compromise MySQL Client.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Client. (CVE-2020-2752)

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

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4397-1 advisory.

    It was discovered that NSS incorrectly handled the TLS State Machine. A remote attacker could possibly use     this issue to cause NSS to hang, resulting in a denial of service. This issue only affected Ubuntu 18.04     LTS and Ubuntu 19.10. (CVE-2019-17023)

    Cesar Pereida Garcia discovered that NSS incorrectly handled DSA key generation. A local attacker could     possibly use this issue to perform a timing attack and recover DSA keys. (CVE-2020-12399)

Tenable has extracted the preceding description block directly from the Ubuntu 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 version of AOS installed on the remote host is prior to 5.19.1. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-5.19.1 advisory.

  - In Network Security Services (NSS) before 3.46, several cryptographic primitives had missing length     checks. In cases where the application calling the library did not perform a sanity check on the inputs it     could result in a crash due to a buffer overflow. (CVE-2019-17006)

  - Heap buffer overflow in the TFTP protocol handler in cURL 7.19.4 to 7.65.3. (CVE-2019-5482)

  - In all versions of cpio before 2.13 does not properly validate input files when generating TAR archives.
    When cpio is used to create TAR archives from paths an attacker can write to, the resulting archive may     contain files with permissions the attacker did not have or in paths he did not have access to. Extracting     those archives from a high-privilege user without carefully reviewing them may lead to the compromise of     the system. (CVE-2019-14866)

  - If an HTTP/2 client connecting to Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37 or 8.5.0 to     8.5.57 exceeded the agreed maximum number of concurrent streams for a connection (in violation of the     HTTP/2 protocol), it was possible that a subsequent request made on that connection could contain HTTP     headers - including HTTP/2 pseudo headers - from a previous request rather than the intended headers. This     could lead to users seeing responses for unexpected resources. (CVE-2020-13943)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 5.6.45 and prior, 5.7.27 and prior and 8.0.17 and prior. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise     MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. (CVE-2019-2974)

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

The version of nspr installed on the remote host is prior to 4.25.0-2. The version of nss installed on the remote host is prior to 3.53.1-3. The version of nss-softokn installed on the remote host is prior to 3.53.1-6. The version of nss- util installed on the remote host is prior to 3.53.1-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1559 advisory.

    When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger     an out-of-bounds read in the Network Security Services (NSS) library. This could lead to information     disclosure. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
    (CVE-2019-11719)

    A vulnerability exists where it possible to force Network Security Services (NSS) to sign     CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in     CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This     vulnerability affects Firefox < 68. (CVE-2019-11727)

    A use-after-free flaw was found in Mozilla Network Security Services (NSS) related to PK11 session     handling. An attacker could use this flaw to execute arbitrary code with the permissions of the user     running the application compiled with NSS. (CVE-2019-11756)

    A vulnerability was discovered in nss where input text length was not checked when using certain     cryptographic primitives. This could lead to a heap-buffer overflow resulting in a crash and data leak.
    The highest threat is to confidentiality and integrity of data as well as system availability.
    (CVE-2019-17006)

    A protocol downgrade flaw was found in Network Security Services (NSS). After a HelloRetryRequest has been     sent, the client may negotiate a lower protocol than TLS 1.3, resulting in an invalid state transition in     the TLS State Machine. If the client gets into this state, incoming Application Data records will be     ignored. (CVE-2019-17023)

    A side channel flaw was found in nss, in the way P-384 and P-521 curves are used in the generation of EDSA     signatures, leaking partial information about the ECDSA nonce. Given a small number of ECDSA signatures,     this information can be used to steal the private key. The highest threat from this vulnerability is to     data confidentiality. (CVE-2020-12400)

    A flaw was found in nss. Using the EM side-channel, it is possible to extract the position of zero and     non-zero wNAF digits while nss-certutil tool performs scalar multiplication during the ECDSA signature     generation, leaking partial information about the ECDSA nonce. Given a small number of ECDSA signatures,     this information can be used to steal the private key. The highest threat from this vulnerability is to     data confidentiality. (CVE-2020-12401)

    A flaw was found in NSS, where it is vulnerable to RSA key generation cache timing side-channel attacks.
    An attacker with sufficient access to mount cache timing attacks during the RSA key generation process     could recover the private key. The highest threat to this flaw is to confidentiality. (CVE-2020-12402)

    A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS. When using multi-part Chacha20, it     could cause out-of-bounds reads. This issue was fixed by explicitly disabling multi-part ChaCha20 (which     was not functioning correctly) and strictly enforcing tag length. The highest threat from this     vulnerability is to confidentiality and system availability. (CVE-2020-12403)

    A flaw was found in nss. Using the EM side-channel, it is possible to extract the position of zero and     non-zero wNAF digits while nss-certutil tool performs scalar multiplication during the ECDSA signature     generation, leaking partial information about the ECDSA nonce. Given a small number of ECDSA signatures,     this information can be used to steal the private key. The highest threat from this vulnerability is to     data confidentiality. (CVE-2020-6829)

Tenable has extracted the preceding description block directly from the tested product 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	名称	产品	系列	发布时间	最近更新时间	严重程度
164552	Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-20201105.1021)	Nessus	Misc.	2022/9/1	2025/2/19	critical
137555	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : NSS vulnerabilities (USN-4397-1)	Nessus	Ubuntu Local Security Checks	2020/6/17	2025/9/3	medium
164584	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.19.1)	Nessus	Misc.	2022/9/1	2025/7/22	critical
142720	Amazon Linux 2 : nspr, nss-softokn, nss-util, nss (ALAS-2020-1559)	Nessus	Amazon Linux Local Security Checks	2020/11/11	2024/12/11	critical

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