漏洞信息
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Vulnerability Title
FatFs Stack Buffer Overflow via Uncapped exFAT Label Length
Vulnerability Description
FatFs R0.16 and earlier contains a stack overflow bug in f_getlabel() because exFAT label length (XDIR_NumLabel) is trusted without enforcing spec maximums. This maps to CWE-121 (Stack-based Buffer Overflow). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H (7.6, High). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Total.
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Vulnerability Type
栈缓冲区溢出
Vulnerability Title
ChaN FatFs 缓冲区错误漏洞
Vulnerability Description
ChaN FatFs是ChaN公司的一个为嵌入式系统设计的通用 FAT/exFAT 文件系统模块。 ChaN FatFs R0.16及之前版本存在缓冲区错误漏洞,该漏洞源于在f_getlabel()函数中信任exFAT标签长度而未强制实施规范最大值,可能导致栈缓冲区溢出。
CVSS Information
N/A
Vulnerability Type
N/A