遠端 Debian 9 主機上安裝的多個套件受到 dla-2817 公告中提及的多個弱點影響。

  - 儘管使用 SSL 憑證驗證和加密，攔截式攻擊者仍可將錯誤的回應注入用戶端的前幾個查詢。(CVE-2021-23222)

  - 當伺服器設定為使用含 clientcert 要求的信任驗證或使用 cert 驗證，則即使使用 TLS 憑證驗證和加密，攔截式攻擊者仍可在首次建立連線時注入任意 SQL 查詢。(CVE-2021-23214)

請注意，Nessus 並未測試此問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 Redhat Enterprise Linux 7 主機上安裝的套件受到 RHSA-2021：5197 公告中提及的一個弱點影響。

  - postgresql：伺服器處理來自中間人的未加密位元組 (CVE-2021-23214)

  - postgresql：libpq 處理來自中間人的未加密位元組 (CVE-2021-23222)

  - postgresql：特定查詢中出現記憶體洩漏 (CVE-2021-3677)

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 Rocky Linux 8 主機已安裝受到 RLSA-2022:1891 公告中所提及一個弱點影響的套件。

  - 儘管使用 SSL 憑證驗證和加密，攔截式攻擊者仍可將錯誤的回應注入用戶端的前幾個查詢。(CVE-2021-23222)

請注意，Nessus 並未測試此問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

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

  - A flaw was found in PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before     9.6.20 and before 9.5.24. If a client application that creates additional database connections only reuses     the basic connection parameters while dropping security-relevant parameters, an opportunity for a man-in-     the-middle attack, or the ability to observe clear-text transmissions, could exist. The highest threat     from this vulnerability is to data confidentiality and integrity as well as system availability.
    (CVE-2020-25694)

  - When the server is configured to use trust authentication with a clientcert requirement or to use cert     authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first     established, despite the use of SSL certificate verification and encryption. (CVE-2021-23214)

  - A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use     of SSL certificate verification and encryption. (CVE-2021-23222)

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 remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:4058-1 advisory.

  - postgresql: server processes unencrypted bytes from man-in-the-middle (CVE-2021-23214)

  - postgresql: libpq processes unencrypted bytes from man-in-the-middle (CVE-2021-23222)

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

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:3759-1 advisory.

  - Server processes unencrypted bytes from man-in-the-middlemore details (CVE-2021-23214)

  - libpq processes unencrypted bytes from man-in-the-middlemore details (CVE-2021-23222)

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

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:3762-1 advisory.

  - Server processes unencrypted bytes from man-in-the-middlemore details (CVE-2021-23214)

  - libpq processes unencrypted bytes from man-in-the-middlemore details (CVE-2021-23222)

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

The remote SUSE Linux SLED12 / SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3761-1 advisory.

  - When the server is configured to use trust authentication with a clientcert requirement or to use cert     authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first     established, despite the use of SSL certificate verification and encryption. (CVE-2021-23214)

  - A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use     of SSL certificate verification and encryption. (CVE-2021-23222)

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

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3759-1 advisory.

  - When the server is configured to use trust authentication with a clientcert requirement or to use cert     authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first     established, despite the use of SSL certificate verification and encryption. (CVE-2021-23214)

  - A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use     of SSL certificate verification and encryption. (CVE-2021-23222)

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

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2022:0206 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2021-23222:
    A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use     of SSL certificate verification and encryption.

Tenable has extracted the preceding description block directly from the Alibaba Cloud 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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use     of SSL certificate verification and encryption. (CVE-2021-23222)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
155312	Debian DLA-2817-1：postgresql-9.6 - LTS 安全性更新	Nessus	Debian Local Security Checks	11/12/2021	1/24/2025	high
156128	RHEL 7：rh-postgresql12-postgresql (RHSA-2021: 5197)	Nessus	Red Hat Local Security Checks	12/16/2021	11/7/2024	high
184775	Rocky Linux 8libpq (RLSA-2022:1891)	Nessus	Rocky Linux Local Security Checks	11/6/2023	11/6/2023	medium
169619	EulerOS Virtualization 3.0.2.6 : postgresql (EulerOS-SA-2023-1081)	Nessus	Huawei Local Security Checks	1/6/2023	1/6/2023	high
156136	openSUSE 15 Security Update : postgresql10 (openSUSE-SU-2021:4058-1)	Nessus	SuSE Local Security Checks	12/17/2021	2/16/2023	high
155664	openSUSE 15 Security Update : postgresql14 (openSUSE-SU-2021:3759-1)	Nessus	SuSE Local Security Checks	11/23/2021	2/16/2023	high
155665	openSUSE 15 Security Update : postgresql13 (openSUSE-SU-2021:3762-1)	Nessus	SuSE Local Security Checks	11/23/2021	2/16/2023	high
155667	SUSE SLED12 / SLES12 Security Update : postgresql10 (SUSE-SU-2021:3761-1)	Nessus	SuSE Local Security Checks	11/23/2021	7/13/2023	high
155668	SUSE SLED15 / SLES15 Security Update : postgresql14 (SUSE-SU-2021:3759-1)	Nessus	SuSE Local Security Checks	11/23/2021	7/13/2023	high
236129	Alibaba Cloud Linux 3 : 0206: libpq (ALINUX3-SA-2022:0206)	Nessus	Alibaba Cloud Linux Local Security Checks	5/14/2025	5/14/2025	medium
253240	Linux Distros Unpatched Vulnerability : CVE-2021-23222	Nessus	Misc.	8/21/2025	8/21/2025	medium

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