In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger an out-of-bounds heap read via short SONMP packets.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-9158 advisory.

    [1.0.18-3]
    - Add lldpd-devel package [RHEL-22127]

    [1.0.18-2]
    - Remove networkd gating test [RHEL-25990]

Tenable has extracted the preceding description block directly from the Oracle Linux 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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:9158 advisory.

    LLDP is an industry standard protocol designed to supplant proprietary Link-Layer protocols such as EDP or     CDP. The goal of LLDP is to provide an inter-vendor compatible mechanism to deliver Link-Layer     notifications to adjacent network devices.

    Security Fix(es):

    * lldp/openvswitch: denial of service via externally triggered memory leak (CVE-2020-27827)

    * lldpd: out-of-bounds read when decoding SONMP packets (CVE-2021-43612)

    * lldpd: CDP PDU Packet cdp.c out-of-bounds read (CVE-2023-41910)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.5 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 Redhat Enterprise Linux 8 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.

  - lldp/openvswitch: denial of service via externally triggered memory leak (CVE-2020-27827)

  - lldpd: out-of-bounds read when decoding SONMP packets (CVE-2021-43612)

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

This plugin has been deprecated as it does not adhere to established standards for this style of check.

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-88991d2713 advisory.

    Update to the latest 1.0.16:

    * Lots of updates, enhancements and fixes from 1.0.4
    * CVEs: CVE-2020-27827, CVE-2021-43612

Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 36 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-3e4feeadec advisory.

    Update to the latest 1.0.16:

    * Lots of updates, enhancements and fixes from 1.0.4
    * CVEs: CVE-2020-27827, CVE-2021-43612

Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-c0c184a019 advisory.

    Update to the latest 1.0.16:

    * Lots of updates, enhancements and fixes from 1.0.4
    * CVEs: CVE-2020-27827, CVE-2021-43612

Tenable has extracted the preceding description block directly from the Fedora 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 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3389 advisory.

  - A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to     be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service.
    The highest threat from this vulnerability is to system availability. (CVE-2020-27827)

  - In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger     an out-of-bounds heap read via short SONMP packets. (CVE-2021-43612)

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	Severity
211534	Oracle Linux 9 : lldpd (ELSA-2024-9158)	Nessus	Oracle Linux Local Security Checks	critical
210792	RHEL 9 : lldpd (RHSA-2024:9158)	Nessus	Red Hat Local Security Checks	critical
199863	RHEL 8 : lldpd (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	high
196049	RHEL 8 : lldpd (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	high
174525	Fedora 38 : lldpd (2023-88991d2713)	Nessus	Fedora Local Security Checks	high
174509	Fedora 36 : lldpd (2023-3e4feeadec)	Nessus	Fedora Local Security Checks	high
174490	Fedora 37 : lldpd (2023-c0c184a019)	Nessus	Fedora Local Security Checks	high
174170	Debian DLA-3389-1 : lldpd - LTS security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2021-43612

high

Tenable Plugins

critical

critical

high

high

high

high

high

high