BlueZ OBEX Library Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious Bluetooth device. The specific flaw exists within the handling of OBEX protocol parameters. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-20937.

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1763031616 advisory.

  - BlueZ Audio Profile AVRCP Stack-based Buffer Overflow Remote Code Execution Vulnerability. This     vulnerability allows network-adjacent attackers to execute arbitrary code via Bluetooth on affected     installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must     connect to a malicious device. The specific flaw exists within the handling of the AVRCP protocol. The     issue results from the lack of proper validation of the length of user-supplied data prior to copying it     to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the     context of root. Was ZDI-CAN-19909. (CVE-2023-44431)

  - Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and     establish an encrypted connection, and accept HID keyboard reports, potentially permitting injection of     HID messages when no user interaction has occurred in the Central role to authorize such access. An     example affected package is bluez 5.64-0ubuntu1 in Ubuntu 22.04LTS. NOTE: in some cases, a CVE-2020-0556     mitigation would have already addressed this Bluetooth HID Hosts issue. (CVE-2023-45866)

  - BlueZ Audio Profile AVRCP avrcp_parse_attribute_list Out-Of-Bounds Read Information Disclosure     Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information via     Bluetooth on affected installations of BlueZ. User interaction is required to exploit this vulnerability     in that the target must connect to a malicious device. The specific flaw exists within the handling of the     AVRCP protocol. The issue results from the lack of proper validation of user-supplied data, which can     result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with     other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-20852.
    (CVE-2023-51580)

  - BlueZ Audio Profile AVRCP parse_media_element Out-Of-Bounds Read Information Disclosure Vulnerability.
    This vulnerability allows network-adjacent attackers to disclose sensitive information via Bluetooth on     affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the     target must connect to a malicious device. The specific flaw exists within the handling of the AVRCP     protocol. The issue results from the lack of proper validation of user-supplied data, which can result in     a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other     vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-20853. (CVE-2023-51589)

  - BlueZ Audio Profile AVRCP parse_media_folder Out-Of-Bounds Read Information Disclosure Vulnerability. This     vulnerability allows network-adjacent attackers to disclose sensitive information via Bluetooth on     affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the     target must connect to a malicious device. The specific flaw exists within the handling of the AVRCP     protocol. The issue results from the lack of proper validation of user-supplied data, which can result in     a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other     vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-20854. (CVE-2023-51592)

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

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2024_9413 advisory.

    * bluez: unauthorized HID device connections allows keystroke injection and arbitrary commands execution     (CVE-2023-45866)

    * BlueZ: Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability     (CVE-2023-27349)

    * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-51596)

    * bluez: OBEX library out-of-bounds read information disclosure vulnerability (CVE-2023-51594)

    * bluez: audio profile avrcp parse_media_folder out-of-bounds read information disclosure vulnerability     (CVE-2023-51592)

    * bluez: audio profile avrcp parse_media_element out-of-bounds read information disclosure vulnerability     (CVE-2023-51589)

    * bluez: avrcp_parse_attribute_list out-of-bounds read information disclosure vulnerability     (CVE-2023-51580)

    * bluez: AVRCP stack-based buffer overflow remote code execution vulnerability (CVE-2023-44431)

    * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-50230)

    * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-50229)

Tenable has extracted the preceding description block directly from the CIQ 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 MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-9114:01 advisory.

    * bluez: unauthorized HID device connections allows keystroke injection and arbitrary commands execution     (CVE-2023-45866)
      * BlueZ: Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability     (CVE-2023-27349)
      * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-51596)
      * bluez: OBEX library out-of-bounds read information disclosure vulnerability (CVE-2023-51594)
      * bluez: audio profile avrcp parse_media_folder out-of-bounds read information disclosure vulnerability     (CVE-2023-51592)
      * bluez: audio profile avrcp parse_media_element out-of-bounds read information disclosure vulnerability     (CVE-2023-51589)
      * bluez: avrcp_parse_attribute_list out-of-bounds read information disclosure vulnerability     (CVE-2023-51580)
      * bluez: AVRCP stack-based buffer overflow remote code execution vulnerability (CVE-2023-44431)
      * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-50230)
      * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-50229)

Tenable has extracted the preceding description block directly from the MiracleLinux 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 42 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2025-35347bf9f0 advisory.

    bluez 5.80:

            Fix issue with handling address type for all types of keys.
            Fix issue with handling maximum number of GATT channels.
            Fix issue with handling MTU auto-tuning feature.
            Fix issue with handling AVRCP volume in reconfigured transports.
            Fix issue with handling VCP volume setting requests.
            Fix issue with handling VCP connection management.
            Fix issue with handling MAP qualification.
            Fix issue with handling PBAP qualification.
            Fix issue with handling BNEP qualification.
            Add support for PreferredBearer device property.
            Add support for SupportedTypes Message Access property.
            Add support for HFP, A2DP, AVRCP, AVCTP and MAP latest versions.

    iwd 3.4:

            Add support for the Test Anything Protocol.

    libell 0.74:

            Add support for NIST P-192 curve usage with ECDH.
            Add support for SHA-224 based checksums and HMACs.

    libell 0.73:

            Fix issue with parsing hwdb.bin child structures.

    libell  0.72:

            Add support for the Test Anything Protocol.


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 RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:9413 advisory.

    * bluez: unauthorized HID device connections allows keystroke injection and arbitrary commands execution     (CVE-2023-45866)

    * BlueZ: Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability     (CVE-2023-27349)

    * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-51596)

    * bluez: OBEX library out-of-bounds read information disclosure vulnerability (CVE-2023-51594)

    * bluez: audio profile avrcp parse_media_folder out-of-bounds read information disclosure vulnerability     (CVE-2023-51592)

    * bluez: audio profile avrcp parse_media_element out-of-bounds read information disclosure vulnerability     (CVE-2023-51589)

    * bluez: avrcp_parse_attribute_list out-of-bounds read information disclosure vulnerability     (CVE-2023-51580)

    * bluez: AVRCP stack-based buffer overflow remote code execution vulnerability (CVE-2023-44431)

    * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-50230)

    * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-50229)

Tenable has extracted the preceding description block directly from the RockyLinux 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.

  - BlueZ OBEX Library Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows     network-adjacent attackers to disclose sensitive information on affected installations of BlueZ. User     interaction is required to exploit this vulnerability in that the target must connect to a malicious     Bluetooth device. The specific flaw exists within the handling of OBEX protocol parameters. The issue     results from the lack of proper validation of user-supplied data, which can result in a read past the end     of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute     arbitrary code in the context of root. Was ZDI-CAN-20937. (CVE-2023-51594)

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

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-9413 advisory.

    [5.72-2]
    - Bump release to rebuild for RHEL-9.5

    [5.72-1]
    - Update to 5.72

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-2024:9413 advisory.

    The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach,     hciconfig, bluetoothd, l2ping, start scripts (Red Hat), and pcmcia configuration files.

    Security Fix(es):

    * bluez: unauthorized HID device connections allows keystroke injection and arbitrary commands execution     (CVE-2023-45866)

    * BlueZ: Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability     (CVE-2023-27349)

    * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-51596)

    * bluez: OBEX library out-of-bounds read information disclosure vulnerability (CVE-2023-51594)

    * bluez: audio profile avrcp parse_media_folder out-of-bounds read information disclosure vulnerability     (CVE-2023-51592)

    * bluez: audio profile avrcp parse_media_element out-of-bounds read information disclosure vulnerability     (CVE-2023-51589)

    * bluez: avrcp_parse_attribute_list out-of-bounds read information disclosure vulnerability     (CVE-2023-51580)

    * bluez: AVRCP stack-based buffer overflow remote code execution vulnerability (CVE-2023-44431)

    * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-50230)

    * bluez: phone book access profile heap-based buffer overflow remote code execution vulnerability     (CVE-2023-50229)

    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.

ID	Name	Product	Family	Type	Severity
360318	AlmaLinux 9.2 [TuxCare] Security Update: bluez / bluez-cups / bluez-hid2hci / bluez-libs / bluez-libs-devel / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1763031616)	Nessus	Alma Linux Local Security Checks	Local	high
357534	Rocky Linux 9 [CIQ] Security Update: bluez / bluez-cups / bluez-cups-debuginfo / bluez-debuginfo / etc Multiple Vulnerabilities (crlsa-2024_9413)	Nessus	Rocky Linux Local Security Checks	Local	high
293116	MiracleLinux 9 : bluez-5.72-2.el9 (AXSA:2024-9114:01)	Nessus	Miracle Linux Local Security Checks	Local	high
237949	Fedora 42 : bluez / iwd / libell (2025-35347bf9f0)	Nessus	Fedora Local Security Checks	Local	high
232948	RockyLinux 9 : bluez (RLSA-2024:9413)	Nessus	Rocky Linux Local Security Checks	Local	medium
227350	Linux Distros Unpatched Vulnerability : CVE-2023-51594	Nessus	Misc.	Local	medium
211539	Oracle Linux 9 : bluez (ELSA-2024-9413)	Nessus	Oracle Linux Local Security Checks	Local	high
210817	RHEL 9 : bluez (RHSA-2024:9413)	Nessus	Red Hat Local Security Checks	Local	high

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CVE-2023-51594

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