The version of squashfs-tools installed on the remote host is prior to 4.3-0.21.gitaae0aff4. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-2152 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.

Detections

Analytics

Amazon Linux 2 : squashfs-tools (ALAS-2023-2152)

high Nessus Plugin ID 178515

Version 1.1

Version 1.0

Version 1.1 Jul 20, 2023, 4:15 PM Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202307201615
Version 1.0 Jul 20, 2023, 6:12 AM New Plugin Feed: 202307200612