Unknown
CVE-2021-40153
CVE ID
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CVE-2021-40153
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
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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CVSS V3 Severity and Metrics
General Information
Vendors
- debian,
- fedoraproject,
- redhat,
- squashfs-tools project
Products
- debian linux 10.0,
- debian linux 9.0,
- enterprise linux 7.0,
- enterprise linux 8.0,
- fedora 33,
- fedora 34,
- squashfs-tools 4.5
References
Advisory
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
