There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - github.com/sylabs/scs-library-client is the Go client for the Singularity Container Services (SCS)
    Container Library Service. When the scs-library-client is used to pull a container image, with
    authentication, the HTTP Authorization header sent by the client to the library service may be incorrectly
    leaked to an S3 backing storage provider. This occurs in a specific flow, where the library service
    redirects the client to a backing S3 storage server, to perform a multi-part concurrent download.
    Depending on site configuration, the S3 service may be provided by a third party. An attacker with access
    to the S3 service may be able to extract user credentials, allowing them to impersonate the user. The
    vulnerable multi-part concurrent download flow, with redirect to S3, is only used when communicating with
    a Singularity Enterprise 1.x installation, or third party server implementing this flow. Interaction with
    Singularity Enterprise 2.x, and Singularity Container Services (cloud.sylabs.io), does not trigger the
    vulnerable flow. We encourage all users to update. Users who interact with a Singularity Enterprise 1.x
    installation, using a 3rd party S3 storage service, are advised to revoke and recreate their
    authentication tokens within Singularity Enterprise. There is no workaround available at this time.
    (CVE-2022-23538)

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

  - github.com/sylabs/scs-library-client is the Go client for the Singularity Container Services (SCS)     Container Library Service. When the scs-library-client is used to pull a container image, with     authentication, the HTTP Authorization header sent by the client to the library service may be incorrectly     leaked to an S3 backing storage provider. This occurs in a specific flow, where the library service     redirects the client to a backing S3 storage server, to perform a multi-part concurrent download.
    Depending on site configuration, the S3 service may be provided by a third party. An attacker with access     to the S3 service may be able to extract user credentials, allowing them to impersonate the user. The     vulnerable multi-part concurrent download flow, with redirect to S3, is only used when communicating with     a Singularity Enterprise 1.x installation, or third party server implementing this flow. Interaction with     Singularity Enterprise 2.x, and Singularity Container Services (cloud.sylabs.io), does not trigger the     vulnerable flow. We encourage all users to update. Users who interact with a Singularity Enterprise 1.x     installation, using a 3rd party S3 storage service, are advised to revoke and recreate their     authentication tokens within Singularity Enterprise. There is no workaround available at this time.
    (CVE-2022-23538)

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

The remote Fedora 36 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-677d58bb20 advisory.

    Update to upstream 1.1.6

Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 37 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-01ff262091 advisory.

    Update to upstream 1.1.6

Tenable has extracted the preceding description block directly from the Fedora 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
412167	SCA: security update for github.com/sylabs/scs-library-client (GHSA-7p8m-22h4-9pj7)	Tenable Self-Hosted Container Security	SCA Checks	1/23/2025	7/2/2026	high
408061	Alpine: multiple apptainer packages: security update to 1.1.6-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	12/7/2023	7/2/2026	high
412167	SCA: security update for github.com/sylabs/scs-library-client (GHSA-7p8m-22h4-9pj7)	Tenable Cloud Security	SCA Checks	1/23/2025	7/2/2026	high
408061	Alpine: multiple apptainer packages: security update to 1.1.6-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	12/7/2023	7/2/2026	high
400053	Alpine: apptainer: security update to 1.1.5-r2 (deprecated)	Tenable Cloud Security	Alpine Linux Local Security Checks	2/19/2023	7/2/2026	high
400053	Alpine: apptainer: security update to 1.1.5-r2 (deprecated)	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	2/19/2023	7/2/2026	high
245944	Linux Distros Unpatched Vulnerability : CVE-2022-23538	Nessus	Misc.	8/8/2025	7/12/2026	high
171782	Fedora 36 : apptainer (2023-677d58bb20)	Nessus	Fedora Local Security Checks	2/22/2023	11/14/2024	high
171773	Fedora 37 : apptainer (2023-01ff262091)	Nessus	Fedora Local Security Checks	2/22/2023	11/14/2024	high

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