漏洞信息
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Vulnerability Title
FatFs Divide-by-Zero in exFAT Sync
Vulnerability Description
FatFs R0.16 and earlier contains a divide-by-zero in exFAT sync logic bug when crafted metadata causes n_fatent - 2 to be zero during write/sync operations. This maps to CWE-369 (Divide By Zero). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (4.6, Medium). Network-delivered update media can make this remote in some pipelines. The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Partial.
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
除零错误
Vulnerability Title
ChaN FatFs 数字错误漏洞
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版本及之前版本存在数字错误漏洞,该漏洞源于exFAT同步逻辑中存在除零错误,当特制元数据导致写/同步操作期间n_fatent - 2为零时触发。
CVSS Information
N/A
Vulnerability Type
N/A