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In NTFS-3G versions < 2021.8.22 when a specially crafted NTFS attribute is supplied to the function ntfs_get_attribute_value a heap buffer overflow can occur allowing for memory disclosure or denial of service. The vulnerability is caused by an out-of-bound buffer access which can be triggered by mounting a crafted ntfs partition. The root cause is a missing consistency check after reading an MFT record : the "bytes_in_use" field should be less than the "bytes_allocated" field. When it is not the parsing of the records proceeds into the wild.

🗓️ 16 Dec 2021 08:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

NTFS-3G before 2021.8.22: heap overflow from crafted attribute on mount due to missing master file table check.

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16 Dec 2021 08:00Current
8.5High risk
Vulners AI Score8.5
CVSS 26.9
CVSS 3.16.7 - 7.8
EPSS0.00037
SSVC
1