According to the versions of the squashfs-tools package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is     then used by unsquashfs to create the new file during the unsquash. The filename is not validated for     traversal outside of the destination directory, and thus allows writing to locations outside of the     destination. (CVE-2021-40153)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the squashfs-tools package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is     then used by unsquashfs to create the new file during the unsquash. The filename is not validated for     traversal outside of the destination directory, and thus allows writing to locations outside of the     destination. (CVE-2021-40153)

  - squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different     vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link     and then contents under the same filename in a filesystem can cause unsquashfs to first create the     symbolic link pointing outside the expected directory, and then the subsequent write operation will cause     the unsquashfs process to write through the symbolic link elsewhere in the filesystem. (CVE-2021-41072)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the squashfs-tools package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is     then used by unsquashfs to create the new file during the unsquash. The filename is not validated for     traversal outside of the destination directory, and thus allows writing to locations outside of the     destination. (CVE-2021-40153)

  - squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different     vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link     and then contents under the same filename in a filesystem can cause unsquashfs to first create the     symbolic link pointing outside the expected directory, and then the subsequent write operation will cause     the unsquashfs process to write through the symbolic link elsewhere in the filesystem. (CVE-2021-41072)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-202305-29 (squashfs-tools: Multiple Vulnerabilities)

  - squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is     then used by unsquashfs to create the new file during the unsquash. The filename is not validated for     traversal outside of the destination directory, and thus allows writing to locations outside of the     destination. (CVE-2021-40153)

  - squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different     vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link     and then contents under the same filename in a filesystem can cause unsquashfs to first create the     symbolic link pointing outside the expected directory, and then the subsequent write operation will cause     the unsquashfs process to write through the symbolic link elsewhere in the filesystem. (CVE-2021-41072)

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 SLES12 / SLES_SAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4424-1 advisory.

  - Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows     remote attackers to cause a denial of service (application crash) via a crafted input, which triggers a     stack-based buffer overflow. (CVE-2015-4645)

  - (1) unsquash-1.c, (2) unsquash-2.c, (3) unsquash-3.c, and (4) unsquash-4.c in Squashfs and sasquatch allow     remote attackers to cause a denial of service (application crash) via a crafted input. (CVE-2015-4646)

  - squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is     then used by unsquashfs to create the new file during the unsquash. The filename is not validated for     traversal outside of the destination directory, and thus allows writing to locations outside of the     destination. (CVE-2021-40153)

  - squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different     vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link     and then contents under the same filename in a filesystem can cause unsquashfs to first create the     symbolic link pointing outside the expected directory, and then the subsequent write operation will cause     the unsquashfs process to write through the symbolic link elsewhere in the filesystem. (CVE-2021-41072)

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 SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4591-1 advisory.

  - Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows     remote attackers to cause a denial of service (application crash) via a crafted input, which triggers a     stack-based buffer overflow. (CVE-2015-4645)

  - (1) unsquash-1.c, (2) unsquash-2.c, (3) unsquash-3.c, and (4) unsquash-4.c in Squashfs and sasquatch allow     remote attackers to cause a denial of service (application crash) via a crafted input. (CVE-2015-4646)

  - squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is     then used by unsquashfs to create the new file during the unsquash. The filename is not validated for     traversal outside of the destination directory, and thus allows writing to locations outside of the     destination. (CVE-2021-40153)

  - squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different     vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link     and then contents under the same filename in a filesystem can cause unsquashfs to first create the     symbolic link pointing outside the expected directory, and then the subsequent write operation will cause     the unsquashfs process to write through the symbolic link elsewhere in the filesystem. (CVE-2021-41072)

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

An update of the squashfs package has been released.

The version of AOS installed on the remote host is prior to 6.8.1.5. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-6.8.1.5 advisory.

  - squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different     vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link     and then contents under the same filename in a filesystem can cause unsquashfs to first create the     symbolic link pointing outside the expected directory, and then the subsequent write operation will cause     the unsquashfs process to write through the symbolic link elsewhere in the filesystem. (CVE-2021-41072)

  - urllib3 is a user-friendly HTTP client library for Python. urllib3 doesn't treat the `Cookie` HTTP header     special or provide any helpers for managing cookies over HTTP, that is the responsibility of the user.
    However, it is possible for a user to specify a `Cookie` header and unknowingly leak information via HTTP     redirects to a different origin if that user doesn't disable redirects explicitly. This issue has been     patched in urllib3 version 1.26.17 or 2.0.5. (CVE-2023-43804)

  - Improper Handling of Exceptional Conditions, Uncontrolled Resource Consumption vulnerability in Apache     Tomcat. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers     correctly. This led to a miscounting of active HTTP/2 streams which in turn led to the use of an incorrect     infinite timeout which allowed connections to remain open which should have been closed. This issue     affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M20, from 10.1.0-M1 through 10.1.24, from 9.0.0-M1     through 9.0.89. The following versions were EOL at the time the CVE was created but are known to be     affected: 8.5.0 though 8.5.100. Users are recommended to upgrade to version 11.0.0-M21, 10.1.25 or 9.0.90,     which fixes the issue. (CVE-2024-34750)

  - Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of     service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of     Service (ReDoS) in package_index.py. (CVE-2022-40897)

  - cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In     affected versions `Cipher.update_into` would accept Python objects which implement the buffer protocol,     but provide only immutable buffers. This would allow immutable objects (such as `bytes`) to be mutated,     thus violating fundamental rules of Python and resulting in corrupted output. This now correctly raises an     exception. This issue has been present since `update_into` was originally introduced in cryptography 1.8.
    (CVE-2023-23931)

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 a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:2396 advisory.

    SquashFS is a highly compressed read-only file system for Linux. These packages contain the utilities for     manipulating squashfs file systems.

    Security Fix(es):

    * squashfs-tools: unvalidated filepaths allow writing outside of destination (CVE-2021-40153)

    * squashfs-tools: possible Directory Traversal via symbolic link (CVE-2021-41072)

    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 9.4 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is     then used by unsquashfs to create the new file during the unsquash. The filename is not validated for     traversal outside of the destination directory, and thus allows writing to locations outside of the     destination. (CVE-2021-40153)

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

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2024:0129 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2021-40153:
    squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is     then used by unsquashfs to create the new file during the unsquash. The filename is not validated for     traversal outside of the destination directory, and thus allows writing to locations outside of the     destination.

    CVE-2021-41072:
    squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different     vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link     and then contents under the same filename in a filesystem can cause unsquashfs to first create the     symbolic link pointing outside the expected directory, and then the subsequent write operation will cause     the unsquashfs process to write through the symbolic link elsewhere in the filesystem.

Tenable has extracted the preceding description block directly from the Alibaba Cloud 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 MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2024-7853:01 advisory.

    * squashfs-tools: unvalidated filepaths allow writing outside of destination (CVE-2021-40153)
      * squashfs-tools: possible Directory Traversal via symbolic link (CVE-2021-41072)

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
155230	EulerOS 2.0 SP9 : squashfs-tools (EulerOS-SA-2021-2698)	Nessus	Huawei Local Security Checks	2021/11/11	2023/11/24	high
158291	EulerOS 2.0 SP3 : squashfs-tools (EulerOS-SA-2022-1189)	Nessus	Huawei Local Security Checks	2022/2/23	2023/11/7	high
170843	EulerOS Virtualization 3.0.2.2 : squashfs-tools (EulerOS-SA-2023-1294)	Nessus	Huawei Local Security Checks	2023/1/30	2023/9/5	high
176469	GLSA-202305-29 : squashfs-tools: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	2023/5/30	2023/5/30	high
185601	SUSE SLES12 Security Update : squashfs (SUSE-SU-2023:4424-1)	Nessus	SuSE Local Security Checks	2023/11/14	2023/11/14	high
186334	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : squashfs (SUSE-SU-2023:4591-1)	Nessus	SuSE Local Security Checks	2023/11/28	2023/11/28	high
203384	Photon OS 4.0: Squashfs PHSA-2022-4.0-0166	Nessus	PhotonOS Local Security Checks	2024/7/23	2024/7/23	high
206720	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.8.1.5)	Nessus	Misc.	2024/9/6	2025/9/1	high
155270	EulerOS 2.0 SP5 : squashfs-tools (EulerOS-SA-2021-2674)	Nessus	Huawei Local Security Checks	2021/11/11	2023/11/24	high
194775	RHEL 9 : squashfs-tools (RHSA-2024:2396)	Nessus	Red Hat Local Security Checks	2024/4/30	2024/11/7	high
224040	Linux Distros Unpatched Vulnerability : CVE-2021-40153	Nessus	Misc.	2025/3/5	2025/8/30	high
236097	Alibaba Cloud Linux 3 : 0129: squashfs-tools (ALINUX3-SA-2024:0129)	Nessus	Alibaba Cloud Linux Local Security Checks	2025/5/14	2025/5/14	high
292352	MiracleLinux 9 : squashfs-tools-4.4-10.git1.el9 (AXSA:2024-7853:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	high

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