squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5...
Critical severity
Unreviewed
Published
May 24, 2022
to the GitHub Advisory Database
•
Updated May 30, 2023
Description
Published by the National Vulnerability Database
Aug 27, 2021
Published to the GitHub Advisory Database
May 24, 2022
Last updated
May 30, 2023
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.
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