PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms. With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library requires that the application chooses what algorithms are supported. The application can specify `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be explicit with the algorithms that are accepted and expected when decoding.

The remote Redhat Enterprise Linux 9 host has one or more packages installed that are affected by a vulnerability that has been acknowledged by the vendor but will not be patched.

  - python-jwt: Key confusion through non-blocklisted public key formats (CVE-2022-29217)

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

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by a vulnerability that has been acknowledged by the vendor but will not be patched.

  - python-jwt: Key confusion through non-blocklisted public key formats (CVE-2022-29217)

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

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-076 advisory.

    A vulnerability was found in python-jwt. This issue happens when PyJWT supports multiple different JWT     signing algorithms. This flaw allows an attacker submitting the JWT token to choose the used signing     algorithm, leading to key confusion through non-blocklisted public key formats. (CVE-2022-29217)

Tenable has extracted the preceding description block directly from the tested product 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 SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2023:0794-1 advisory.

  - PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms.
    With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library     requires that the application chooses what algorithms are supported. The application can specify     `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single     algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be     used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be     explicit with the algorithms that are accepted and expected when decoding. (CVE-2022-29217)

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

It is, therefore, affected by a vulnerability as referenced in the ALAS2022-2022-241 advisory.

  - PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms.
    With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library     requires that the application chooses what algorithms are supported. The application can specify     `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single     algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be     used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be     explicit with the algorithms that are accepted and expected when decoding. (CVE-2022-29217)

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 python-jwt package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms.
    With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library     requires that the application chooses what algorithms are supported. The application can specify     `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single     algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be     used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be     explicit with the algorithms that are accepted and expected when decoding. (CVE-2022-29217)

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 SLES15 / SLES_SAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2022:3545-1 advisory.

  - PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms.
    With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library     requires that the application chooses what algorithms are supported. The application can specify     `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single     algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be     used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be     explicit with the algorithms that are accepted and expected when decoding. (CVE-2022-29217)

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

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5526-1 advisory.

    Aapo Oksman discovered that PyJWT incorrectly handled signatures constructed from SSH public keys. A     remote attacker could use this to forge a JWT signature.

Tenable has extracted the preceding description block directly from the Ubuntu 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 SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:2403-1 advisory.

  - PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms.
    With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library     requires that the application chooses what algorithms are supported. The application can specify     `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single     algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be     used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be     explicit with the algorithms that are accepted and expected when decoding. (CVE-2022-29217)

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 SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2022:2402-1 advisory.

  - PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms.
    With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library     requires that the application chooses what algorithms are supported. The application can specify     `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single     algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be     used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be     explicit with the algorithms that are accepted and expected when decoding. (CVE-2022-29217)

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 SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:2401-1 advisory.

  - PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms.
    With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library     requires that the application chooses what algorithms are supported. The application can specify     `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single     algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be     used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be     explicit with the algorithms that are accepted and expected when decoding. (CVE-2022-29217)

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	Severity
199077	RHEL 9 : python-jwt (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
199066	RHEL 8 : python-jwt (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
173157	Amazon Linux 2023 : python3-jwt, python3-jwt+crypto (ALAS2023-2023-076)	Nessus	Amazon Linux Local Security Checks	high
172677	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python-PyJWT (SUSE-SU-2023:0794-1)	Nessus	SuSE Local Security Checks	high
168566	Amazon Linux 2022 : python-jwt (ALAS2022-2022-241)	Nessus	Amazon Linux Local Security Checks	high
165819	EulerOS 2.0 SP10 : python-jwt (EulerOS-SA-2022-2434)	Nessus	Huawei Local Security Checks	high
165809	EulerOS 2.0 SP10 : python-jwt (EulerOS-SA-2022-2421)	Nessus	Huawei Local Security Checks	high
165749	SUSE SLES15 Security Update : python-PyJWT (SUSE-SU-2022:3545-1)	Nessus	SuSE Local Security Checks	high
165064	EulerOS 2.0 SP9 : python-jwt (EulerOS-SA-2022-2331)	Nessus	Huawei Local Security Checks	high
165050	EulerOS 2.0 SP9 : python-jwt (EulerOS-SA-2022-2302)	Nessus	Huawei Local Security Checks	high
163294	Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : PyJWT vulnerability (USN-5526-1)	Nessus	Ubuntu Local Security Checks	high
163245	SUSE SLES15 Security Update : python-PyJWT (SUSE-SU-2022:2403-1)	Nessus	SuSE Local Security Checks	high
163243	SUSE SLED15 / SLES15 Security Update : python-PyJWT (SUSE-SU-2022:2402-1)	Nessus	SuSE Local Security Checks	high
163242	SUSE SLES12 Security Update : python-PyJWT (SUSE-SU-2022:2401-1)	Nessus	SuSE Local Security Checks	high

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CVE-2022-29217

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