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By the Year

In 2021 there have been 2 vulnerabilities in Squashfs Toolsproject Squashfs Tools with an average score of 8.1 out of ten. Squashfs Tools did not have any published security vulnerabilities last year. That is, 2 more vulnerabilities have already been reported in 2021 as compared to last year.

Year Vulnerabilities Average Score
2021 2 8.10
2020 0 0.00
2019 0 0.00
2018 0 0.00

It may take a day or so for new Squashfs Tools vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Squashfs Toolsproject Squashfs Tools Security Vulnerabilities

squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different vulnerability than CVE-2021-40153

CVE-2021-41072 8.1 - High - September 14, 2021

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.

insecure temporary file

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

CVE-2021-40153 8.1 - High - August 27, 2021

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.

Directory traversal

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