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Advisories

PhysicsFS through 3.2.0 Out-of-Bounds Read via __PHYSFS_utf8codepoint

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Severity
medium
Date
Affecting

  • PhysicsFS <= 3.2.0

CWE
  • CWE-125 Out-of-bounds Read
CVSS
4.8
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Credit
guillaume-uH57J9, HaiND from the Post and Telecommunication Institute of Technology
Description
PhysicsFS through 3.2.0 contains an out-of-bounds read vulnerability in __PHYSFS_utf8codepoint() that allows attackers to read past name buffers via an off-by-one cursor advance on six-octet UTF-8 sequences. Attackers can supply a crafted archive with entry names ending in six-octet sequences, causing PHYSFS_utf8stricmp() and hashing to over-read and crash the application.

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