Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且廠商未提供可用的修補程式。

  - 0.9.76 版之前的 GNU libmicrohttpd 允許發生遠端 DoS (拒絕服務)，這是不當剖析 postprocessor.c MHD_post_processor() 方法中的 multipart/form-data 邊界所致。攻擊者可從遠端傳送在 multipart/form-data 邊界欄位中包含一個或多個 '\0' 位元組的惡意 HTTP POST 封包 (此封包會假設特定的堆積配置)，從而引致超出邊界讀取和 find_boundary() 函式損毀。(CVE-2023-27371)

請注意，Nessus 的判定取決於廠商所報告的套件是否存在。

遠端主機上安裝的 libmicrohttpd 版本低於 0.9.33-2。因此會受到 ALAS2-2023-2135 公告中提及的一個弱點影響。

  - 0.9.76 版之前的 GNU libmicrohttpd 允許發生遠端 DoS (拒絕服務)，這是不當剖析 postprocessor.c MHD_post_processor() 方法中的 multipart/form-data 邊界所致。攻擊者可從遠端傳送在 multipart/form-data 邊界欄位中包含一個或多個 '\0' 位元組的惡意 HTTP POST 封包 (此封包會假設特定的堆積配置)，從而引致超出邊界讀取和 find_boundary() 函式損毀。(CVE-2023-27371)

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 9 主機上安裝的套件受到 RHSA-2023: 6566 公告中提及的一個弱點影響。

  - 0.9.76 版之前的 GNU libmicrohttpd 允許發生遠端 DoS (拒絕服務)，這是不當剖析 postprocessor.c MHD_post_processor() 方法中的 multipart/form-data 邊界所致。攻擊者可從遠端傳送在 multipart/form-data 邊界欄位中包含一個或多個 '\0' 位元組的惡意 HTTP POST 封包 (此封包會假設特定的堆積配置)，從而引致超出邊界讀取和 find_boundary() 函式損毀。(CVE-2023-27371)

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 Oracle Linux 9 主機上安裝的套件受到 ELSA-2023-6566 公告中提及的一個弱點影響。

  - 0.9.76 版之前的 GNU libmicrohttpd 允許發生遠端 DoS (拒絕服務)，這是不當剖析 postprocessor.c MHD_post_processor() 方法中的 multipart/form-data 邊界所致。攻擊者可從遠端傳送在 multipart/form-data 邊界欄位中包含一個或多個 '\0' 位元組的惡意 HTTP POST 封包 (此封包會假設特定的堆積配置)，從而引致超出邊界讀取和 find_boundary() 函式損毀。(CVE-2023-27371)

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。

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2024:0069 advisory.

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

    CVE-2023-27371:
    GNU libmicrohttpd before 0.9.76 allows remote DoS (Denial of Service) due to improper parsing of a     multipart/form-data boundary in the postprocessor.c MHD_create_post_processor() method. This allows an     attacker to remotely send a malicious HTTP POST packet that includes one or more '\0' bytes in a     multipart/form-data boundary field, which - assuming a specific heap layout - will result in an out-of-     bounds read and a crash in the find_boundary() function.

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 remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the libmicrohttpd-0.9.72-5.el9 build changelog.

  - GNU libmicrohttpd before 0.9.76 allows remote DoS (Denial of Service) due to improper parsing of a     multipart/form-data boundary in the postprocessor.c MHD_create_post_processor() method. This allows an     attacker to remotely send a malicious HTTP POST packet that includes one or more '\0' bytes in a     multipart/form-data boundary field, which - assuming a specific heap layout - will result in an out-of-     bounds read and a crash in the find_boundary() function. (CVE-2023-27371)

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

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:7090 advisory.

    GNU libmicrohttpd is a small C library that makes it easy to run an HTTP server as part of another     application.

    Security Fix(es):

    * libmicrohttpd: remote DoS (CVE-2023-27371)

    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.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes     linked from 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.

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

  - GNU libmicrohttpd before 0.9.76 allows remote DoS (Denial of Service) due to improper parsing of a     multipart/form-data boundary in the postprocessor.c MHD_create_post_processor() method. This allows an     attacker to remotely send a malicious HTTP POST packet that includes one or more '\0' bytes in a     multipart/form-data boundary field, which - assuming a specific heap layout - will result in an out-of-     bounds read and a crash in the find_boundary() function. (CVE-2023-27371)

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 Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:0584 advisory.

    GNU libmicrohttpd is a small C library that makes it easy to run an HTTP server as part of another     application.

    Security Fix(es):

    * libmicrohttpd: remote DoS (CVE-2023-27371)

    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.

ID	Name	Product	Family	Published	Updated	Severity
258306	Linux Distros 未修補的弱點：CVE-2023-27371	Nessus	Misc.	8/30/2025	8/30/2025	medium
178528	Amazon Linux 2：libmicrohttpd (ALAS-2023-2135)	Nessus	Amazon Linux Local Security Checks	7/20/2023	12/11/2024	medium
185119	RHEL 9：libmicrohttpd (RHSA-2023: 6566)	Nessus	Red Hat Local Security Checks	11/7/2023	11/7/2024	medium
185830	Oracle Linux 9：libmicrohttpd (ELSA-2023-6566)	Nessus	Oracle Linux Local Security Checks	11/16/2023	9/9/2025	medium
236040	Alibaba Cloud Linux 3 : 0069: libmicrohttpd (ALINUX3-SA-2024:0069)	Nessus	Alibaba Cloud Linux Local Security Checks	5/14/2025	5/14/2025	medium
191332	CentOS 9 : libmicrohttpd-0.9.72-5.el9	Nessus	CentOS Local Security Checks	2/29/2024	4/26/2024	medium
185650	RHEL 8 : libmicrohttpd (RHSA-2023:7090)	Nessus	Red Hat Local Security Checks	11/14/2023	11/7/2024	medium
188098	EulerOS 2.0 SP8 : libmicrohttpd (EulerOS-SA-2023-3133)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	medium
189812	RHEL 8 : libmicrohttpd (RHSA-2024:0584)	Nessus	Red Hat Local Security Checks	1/30/2024	11/7/2024	medium

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