The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3346 advisory.

  - Werkzeug is a comprehensive WSGI web application library. Browsers may allow nameless cookies that look     like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an     adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug     prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is     running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser,     the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in     Werkzeug 2.2.3. (CVE-2023-23934)

  - Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart     form data parser will parse an unlimited number of parts, including file parts. Parts can be a small     amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request     can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or     `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an     attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it.
    The amount of CPU time required can block worker processes from handling legitimate requests. The amount     of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory     and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all     available workers. Version 2.2.3 contains a patch for this issue. (CVE-2023-25577)

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

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

  - Werkzeug is a comprehensive WSGI web application library. Browsers may allow 'nameless' cookies that look     like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an     adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug     prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is     running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser,     the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in     Werkzeug 2.2.3. (CVE-2023-23934)

  - Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart     form data parser will parse an unlimited number of parts, including file parts. Parts can be a small     amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request     can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or     `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an     attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it.
    The amount of CPU time required can block worker processes from handling legitimate requests. The amount     of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory     and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all     available workers. Version 2.2.3 contains a patch for this issue. (CVE-2023-25577)

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 Ubuntu 23.04 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5948-2 advisory.

  - Werkzeug is a comprehensive WSGI web application library. Browsers may allow nameless cookies that look     like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an     adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug     prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is     running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser,     the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in     Werkzeug 2.2.3. (CVE-2023-23934)

  - Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart     form data parser will parse an unlimited number of parts, including file parts. Parts can be a small     amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request     can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or     `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an     attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it.
    The amount of CPU time required can block worker processes from handling legitimate requests. The amount     of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory     and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all     available workers. Version 2.2.3 contains a patch for this issue. (CVE-2023-25577)

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

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-8d94dccc7e advisory.

  - Werkzeug is a comprehensive WSGI web application library. Browsers may allow nameless cookies that look     like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an     adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug     prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is     running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser,     the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in     Werkzeug 2.2.3. (CVE-2023-23934)

  - Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart     form data parser will parse an unlimited number of parts, including file parts. Parts can be a small     amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request     can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or     `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an     attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it.
    The amount of CPU time required can block worker processes from handling legitimate requests. The amount     of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory     and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all     available workers. Version 2.2.3 contains a patch for this issue. (CVE-2023-25577)

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

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-149 advisory.

  - Werkzeug is a comprehensive WSGI web application library. Browsers may allow nameless cookies that look     like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an     adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug     prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is     running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser,     the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in     Werkzeug 2.2.3. (CVE-2023-23934)

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

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5470 advisory.

  - Werkzeug is a comprehensive WSGI web application library. Browsers may allow nameless cookies that look     like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an     adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug     prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is     running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser,     the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in     Werkzeug 2.2.3. (CVE-2023-23934)

  - Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart     form data parser will parse an unlimited number of parts, including file parts. Parts can be a small     amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request     can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or     `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an     attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it.
    The amount of CPU time required can block worker processes from handling legitimate requests. The amount     of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory     and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all     available workers. Version 2.2.3 contains a patch for this issue. (CVE-2023-25577)

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 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS / 22.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5948-1 advisory.

  - Werkzeug is a comprehensive WSGI web application library. Browsers may allow nameless cookies that look     like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an     adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug     prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is     running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser,     the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in     Werkzeug 2.2.3. (CVE-2023-23934)

  - Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart     form data parser will parse an unlimited number of parts, including file parts. Parts can be a small     amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request     can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or     `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an     attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it.
    The amount of CPU time required can block worker processes from handling legitimate requests. The amount     of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory     and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all     available workers. Version 2.2.3 contains a patch for this issue. (CVE-2023-25577)

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

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-af75e27098 advisory.

  - Werkzeug is a comprehensive WSGI web application library. Browsers may allow nameless cookies that look     like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an     adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug     prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is     running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser,     the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in     Werkzeug 2.2.3. (CVE-2023-23934)

  - Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart     form data parser will parse an unlimited number of parts, including file parts. Parts can be a small     amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request     can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or     `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an     attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it.
    The amount of CPU time required can block worker processes from handling legitimate requests. The amount     of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory     and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all     available workers. Version 2.2.3 contains a patch for this issue. (CVE-2023-25577)

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 a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2023-12709 advisory.

  - Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart     form data parser will parse an unlimited number of parts, including file parts. Parts can be a small     amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request     can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or     `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an     attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it.
    The amount of CPU time required can block worker processes from handling legitimate requests. The amount     of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory     and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all     available workers. Version 2.2.3 contains a patch for this issue. (CVE-2023-25577)

  - Werkzeug is a comprehensive WSGI web application library. Browsers may allow nameless cookies that look     like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an     adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug     prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is     running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser,     the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in     Werkzeug 2.2.3. (CVE-2023-23934)

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 one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - python-werkzeug: cookie prefixed with = can shadow unprefixed cookie (CVE-2023-23934)

  - Werkzeug is a comprehensive WSGI web application library. If an upload of a file that starts with CR or LF     and then is followed by megabytes of data without these characters: all of these bytes are appended chunk     by chunk into internal bytearray and lookup for boundary is performed on growing buffer. This allows an     attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it.
    The amount of CPU time required can block worker processes from handling legitimate requests. This     vulnerability has been patched in version 3.0.1. (CVE-2023-46136)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2023:1018 advisory.

  - python-werkzeug: cookie prefixed with = can shadow unprefixed cookie (CVE-2023-23934)

  - python-werkzeug: high resource usage when parsing multipart form data with many fields (CVE-2023-25577)

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
171932	Debian DLA-3346-1 : python-werkzeug - LTS security update	Nessus	Debian Local Security Checks	2/27/2023	2/27/2023	low
176997	EulerOS 2.0 SP5 : python-werkzeug (EulerOS-SA-2023-2167)	Nessus	Huawei Local Security Checks	6/9/2023	6/9/2023	low
177460	Ubuntu 23.04 : Werkzeug vulnerabilities (USN-5948-2)	Nessus	Ubuntu Local Security Checks	6/20/2023	6/20/2023	low
172464	Fedora 38 : mingw-python-werkzeug (2023-8d94dccc7e)	Nessus	Fedora Local Security Checks	3/11/2023	3/11/2023	low
173856	Amazon Linux 2023 : python3-werkzeug (ALAS2023-2023-149)	Nessus	Amazon Linux Local Security Checks	4/4/2023	4/4/2023	low
179394	Debian DSA-5470-1 : python-werkzeug - security update	Nessus	Debian Local Security Checks	8/7/2023	8/7/2023	low
172504	Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS : Werkzeug vulnerabilities (USN-5948-1)	Nessus	Ubuntu Local Security Checks	3/13/2023	10/16/2023	low
172621	Fedora 37 : mingw-python-werkzeug (2023-af75e27098)	Nessus	Fedora Local Security Checks	3/16/2023	3/16/2023	low
179846	Oracle Linux 8 : python-werkzeug (ELSA-2023-12709)	Nessus	Oracle Linux Local Security Checks	8/15/2023	9/18/2023	low
195803	RHEL 7 : python-werkzeug (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	5/11/2024	5/11/2024	low
194302	RHEL 9 : Red Hat OpenStack Platform 17.0 (python-werkzeug) (RHSA-2023:1018)	Nessus	Red Hat Local Security Checks	4/28/2024	4/28/2024	low

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