SimpleSAMLphp xml-common is a common classes for handling XML-structures. When loading an (untrusted) XML document, for example the SAMLResponse, it's possible to induce an XXE. This vulnerability is fixed in 1.19.0.

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / Pro Realtime 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8770-1 advisory.

    It was discovered that SimpleSAMLphp incorrectly validated cryptographic signatures in XML messages. An     authenticated attacker could possibly use this issue to impersonate users or gain elevated privileges.
    This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-3465)

    It was discovered that SimpleSAMLphp incorrectly handled external entities when parsing untrusted XML     documents. A remote attacker could possibly use this issue to obtain sensitive information. This issue did     not affect Ubuntu 24.04 LTS. (CVE-2024-52596)

    It was discovered that SimpleSAMLphp incorrectly verified signatures in SAML messages using the HTTP-     Redirect binding. A remote attacker could possibly use this issue to bypass authentication and impersonate     users. (CVE-2025-27773)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues 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.

  - SimpleSAMLphp xml-common is a common classes for handling XML-structures. When loading an (untrusted) XML     document, for example the SAMLResponse, it's possible to induce an XXE. This vulnerability is fixed in     1.19.0. (CVE-2024-52596)

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

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

  - SimpleSAMLphp xml-common is a common classes for handling XML-structures. When loading an (untrusted) XML
    document, for example the SAMLResponse, it's possible to induce an XXE. This vulnerability is fixed in
    1.19.0. (CVE-2024-52596)

The remote Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dla-3981 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-3981-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Santiago Ruano Rincn     December 02, 2024                             https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : simplesamlphp     Version        : 1.19.0-1+deb11u1     CVE ID         : CVE-2024-52596

    It was discovered that in SimpleSAMLphp, an implementation of the SAML 2.0     protocol, is prone to an XXE vulnerability when loading an (untrusted) XML     document.

    For Debian 11 bullseye, this problem has been fixed in version     1.19.0-1+deb11u1.

    We recommend that you upgrade your simplesamlphp packages.

    For the detailed security status of simplesamlphp please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/simplesamlphp

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian 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 Debian 12 host has a package installed that is affected by a vulnerability as referenced in the dsa-5822 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-5822-1                   security@debian.org     https://www.debian.org/security/                     Salvatore Bonaccorso     December 02, 2024                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : simplesamlphp     CVE ID         : CVE-2024-52596

    It was discovered that in SimpleSAMLphp, an implementation of the SAML     2.0 protocol, is prone to a XXE vulnerability when loading an     (untrusted) XML document.

    For the stable distribution (bookworm), this problem has been fixed in     version 1.19.7-1+deb12u1.

    We recommend that you upgrade your simplesamlphp packages.

    For the detailed security status of simplesamlphp please refer to its     security tracker page at:
    https://security-tracker.debian.org/tracker/simplesamlphp

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian 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	Type	Severity
346237	Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / Pro Realtime 24.04 LTS : SimpleSAMLphp vulnerabilities (USN-8770-1)	Nessus	Ubuntu Local Security Checks	Local	high
258961	Linux Distros Unpatched Vulnerability : CVE-2024-52596	Nessus	Misc.	Local	high
409156	SCA: security update for simplesamlphp/xml-common (GHSA-2x65-fpch-2fcm)	Tenable Cloud Security	SCA Checks	Local	high
409156	SCA: security update for simplesamlphp/xml-common (GHSA-2x65-fpch-2fcm)	Tenable Self-Hosted Container Security	SCA Checks	Local	high
212000	Debian dla-3981 : simplesamlphp - security update	Nessus	Debian Local Security Checks	Local	high
211999	Debian dsa-5822 : simplesamlphp - security update	Nessus	Debian Local Security Checks	Local	high

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