This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations
    of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific
    flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper
    validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can
    leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.
    (CVE-2021-31439)

  - This vulnerability allows remote attackers to execute arbitrary code on affected installations of
    Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within
    the ad_addcomment function. 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-15876. (CVE-2022-0194)

  - This vulnerability allows remote attackers to execute arbitrary code on affected installations of
    Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within
    the parse_entries function. The issue results from the lack of proper error handling when parsing
    AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root.
    Was ZDI-CAN-15819. (CVE-2022-23121)

  - This vulnerability allows remote attackers to execute arbitrary code on affected installations of
    Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within
    the setfilparams function. 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-15837. (CVE-2022-23122)

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity.
The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.

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

The remote host is affected by the vulnerability described in GLSA-202311-02 (Netatalk: Multiple Vulnerabilities including root remote code execution)

  - This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations     of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific     flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper     validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can     leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.
    (CVE-2021-31439)

  - This vulnerability allows remote attackers to execute arbitrary code on affected installations of     Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within     the ad_addcomment function. 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-15876. (CVE-2022-0194)

  - The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary     writing of files. By exploiting these combination of primitives, an attacker can execute arbitrary code.
    (CVE-2022-22995)

  - This vulnerability allows remote attackers to execute arbitrary code on affected installations of     Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within     the parse_entries function. The issue results from the lack of proper error handling when parsing     AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root.
    Was ZDI-CAN-15819. (CVE-2022-23121)

  - This vulnerability allows remote attackers to execute arbitrary code on affected installations of     Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within     the setfilparams function. 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-15837. (CVE-2022-23122)

  - This vulnerability allows remote attackers to disclose sensitive information on affected installations of     Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within     the getdirparams method. 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-15830.
    (CVE-2022-23123)

  - This vulnerability allows remote attackers to disclose sensitive information on affected installations of     Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within     the get_finderinfo method. 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-15870. (CVE-2022-23124)

  - This vulnerability allows remote attackers to execute arbitrary code on affected installations of     Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within     the copyapplfile function. When parsing the len element, the process does not properly validate 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-15869. (CVE-2022-23125)

  - Netatalk through 3.1.13 has an afp_getappl heap-based buffer overflow resulting in code execution via a     crafted .appl file. This provides remote root access on some platforms such as FreeBSD (used for TrueNAS).
    (CVE-2022-45188)

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 11 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-5503 advisory.

    Multiple security issues were discovered in Netatalk, an implementation of the Apple Filing Protocol (AFP)     for offering file service (mainly) to macOS clients, which may result in the execution of arbitrary code     or information disclosure. For the oldstable distribution (bullseye), these problems have been fixed in     version 3.1.12~ds-8+deb11u1. We recommend that you upgrade your netatalk packages. For the detailed     security status of netatalk please refer to its security tracker page at: https://security-     tracker.debian.org/tracker/netatalk

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 Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6146-1 advisory.

    It was discovered that Netatalk did not properly validate the length of user-supplied data in the DSI     structures. A remote attacker could possibly use this issue to execute arbitrary code with the privileges     of the user invoking the programs. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
    (CVE-2021-31439)

    It was discovered that Netatalk did not properly validate the length of user-supplied data in the     ad_addcomment function. A remote attacker could possibly use this issue to execute arbitrary code with     root privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-0194)

    It was discovered that Netatalk did not properly handle errors when parsing AppleDouble entries. A remote     attacker could possibly use this issue to execute arbitrary code with root privileges. This issue only     affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
    (CVE-2022-23121)

    It was discovered that Netatalk did not properly validate the length of user-supplied data in the     setfilparams function. A remote attacker could possibly use this issue to execute arbitrary code with root     privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23122)

    It was discovered that Netatalk did not properly validate the length of user-supplied data in the     getdirparams function. A remote attacker could possibly use this issue to execute arbitrary code with root     privileges. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04     LTS and Ubuntu 22.04 LTS. (CVE-2022-23123)

    It was discovered that Netatalk did not properly validate the length of user-supplied data in the     get_finderinfo function. A remote attacker could possibly use this issue to execute arbitrary code with     root privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-23124)

    It was discovered that Netatalk did not properly validate the length of user-supplied data in the     copyapplfile function. A remote attacker could possibly use this issue to execute arbitrary code with root     privileges. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04     LTS and Ubuntu 22.04 LTS. (CVE-2022-23125)

    It was discovered that Netatalk did not properly validate the length of user-supplied data in the     dsi_writeinit function. A remote attacker could possibly use this issue to execute arbitrary code with     root privileges. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10.
    (CVE-2022-43634)

    It was discovered that Netatalk did not properly manage memory under certain circumstances. If a user were     tricked into opening a specially crafted .appl file, a remote attacker could possibly use this issue to     execute arbitrary code. (CVE-2022-45188)

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 remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3426 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-3426-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                      Markus Koschany     May 17, 2023                                  https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : netatalk     Version        : 3.1.12~ds-3+deb10u1     CVE ID         : CVE-2021-31439 CVE-2022-0194 CVE-2022-23121 CVE-2022-23122                      CVE-2022-23123 CVE-2022-23124 CVE-2022-23125 CVE-2022-43634                      CVE-2022-45188     Debian Bug     : 1034170 1024021

    Multiple security vulnerabilities have been discovered in netatalk, the     Apple Filing Protocol service, which allow remote attackers to disclose     sensitive information, cause a denial of service or execute arbitrary code.

    For Debian 10 buster, these problems have been fixed in version     3.1.12~ds-3+deb10u1.

    We recommend that you upgrade your netatalk packages.

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

    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: This is a digitally signed message part

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 SUSE Linux SLED12 / SLED_SAP12 / SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1184-1 advisory.

    - CVE-2022-23125: Fixed remote arbitrary code execution related to copyapplfile().
    - CVE-2022-23121: Fixed remote arbitrary code execution related to parse_entries().
    - CVE-2021-31439: Fixed remote arbitrary code execution related to dsi_stream_receive().

Tenable has extracted the preceding description block directly from the SUSE 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	Severity
427024	Alpine: multiple netatalk packages: security update to 3.1.13-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
427024	Alpine: multiple netatalk packages: security update to 3.1.13-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
502422	Synology DiskStation Manager Out-of-bounds Write (CVE-2021-31439)	Tenable OT Security	Tenable.ot	high
184175	GLSA-202311-02 : Netatalk: Multiple Vulnerabilities including root remote code execution	Nessus	Gentoo Local Security Checks	critical
405713	Alpine: multiple netatalk packages: security update to 3.1.13-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
405713	Alpine: multiple netatalk packages: security update to 3.1.13-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
181731	Debian DSA-5503-1 : netatalk - security update	Nessus	Debian Local Security Checks	critical
176981	Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS / 22.04 LTS : Netatalk vulnerabilities (USN-6146-1)	Nessus	Ubuntu Local Security Checks	critical
175966	Debian dla-3426 : netatalk - security update	Nessus	Debian Local Security Checks	critical
159735	SUSE SLED12 / SLES12 Security Update : netatalk (SUSE-SU-2022:1184-1)	Nessus	SuSE Local Security Checks	critical

Detections

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CVE-2021-31439

high

Tenable Plugins

critical

critical

high

critical

critical

critical

critical

critical

critical

critical