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Advisories

Dislocker through 0.7.3 Heap Out-of-Bounds Read via BitLocker Metadata Dataset Size

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severity
medium
date
Affecting

  • dislocker <= 0.7.3

CWE
  • CWE-125 Out-of-bounds Read
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Tristan Madani (@TristanInSec), Talence Security
Description
Dislocker through 0.7.3 contains a heap out-of-bounds read vulnerability in get_dataset() and get_next_datum() that never validate dataset and datum sizes against the metadata allocation. Attackers can craft a BitLocker volume image with inflated dataset or datum sizes that, when opened or mounted, crashes dislocker or discloses adjacent heap memory.

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