The remote Fedora 40 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-48aa5f1dae advisory.

    Automatic update for gh-2.41.0-1.fc40.

    ##### **Changelog**

    ```
    * Mon Jan  8 2024 Mikel Olasagasti Uranga <mikel@olasagasti.info> - 2.41.0-1
    - Update to 2.41.0 - Closes rhbz#2257273 rhbz#2255084

    ```

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 Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4132 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4132-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                   Bastien Roucaris     April 21, 2025                                https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : erlang     Version        : 1:23.2.6+dfsg-1+deb11u2     CVE ID         : CVE-2023-48795 CVE-2025-26618 CVE-2025-30211 CVE-2025-32433     Debian Bug     : 1059002 1101713 1103442

    Multiple vulnerabilties were fixed in erlang.

    CVE-2023-48795 (Terrapin attack)

        The SSH transport protocol with certain OpenSSH extensions,         allows remote attackers to bypass integrity checks such         that some packets are omitted (from the extension         negotiation message), and a client and server may         consequently end up with a connection for which         some security features have been downgraded.

    CVE-2025-26618

        The SSH transport protocol with certain OpenSSH extensions,         allows remote attackers to bypass integrity checks such         that some packets are omitted (from the extension         negotiation message), and a client and server may         consequently end up with a connection for which         some security features have been downgraded.

    CVE-2025-30211

        The SSH transport protocol with certain OpenSSH extensions,         allows remote attackers to bypass integrity checks such         that some packets are omitted (from the extension         negotiation message), and a client and server may         consequently end up with a connection for which         some security features have been downgraded.

    CVE-2025-32433

        A SSH server may allow an attacker to perform unauthenticated         remote code execution (RCE). By exploiting a flaw in SSH protocol         message handling, a malicious actor could gain unauthorized access         to affected systems and execute arbitrary commands without valid         credentials.

    For Debian 11 bullseye, these problems have been fixed in version     1:23.2.6+dfsg-1+deb11u2.

    We recommend that you upgrade your erlang packages.

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

    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

Tenable has extracted the preceding description block directly from the Debian 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 remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5906 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-5906-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     April 20, 2025                        https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : erlang     CVE ID         : CVE-2023-48795 CVE-2025-26618 CVE-2025-30211                      CVE-2025-32433

    Several vulnerabilities were discovered in the Erlang/OTP implementation     of the SSH protocol, which may result in denial of service or the     execution of arbitrary code.

    For the stable distribution (bookworm), these problems have been fixed in     version 1:25.2.3+dfsg-1+deb12u1.

    We recommend that you upgrade your erlang packages.

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

    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 these issues but has instead relied only on the application's self-reported version number.

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message. A client and server may consequently end up with a connection for which some security features have been downgraded or disabled, aka a Terrapin attack. This occurs because the SSH Binary Packet Protocol (BPP) implemented by these extensions mishandles the handshake phase and mishandles use of sequence numbers. 

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
194634	Fedora 40 : gh (2024-48aa5f1dae)	Nessus	Fedora Local Security Checks	2024/4/29	2024/11/14	critical
234684	Debian dla-4132 : erlang - security update	Nessus	Debian Local Security Checks	2025/4/21	2025/6/9	critical
234690	Debian dsa-5906 : erlang - security update	Nessus	Debian Local Security Checks	2025/4/21	2025/6/9	critical
502223	Siemens SIMATIC S7-1500 Truncation of Security-relevant Information (CVE-2023-48795)	Tenable OT Security	Tenable.ot	2024/4/22	2024/9/19	medium

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