漏洞信息
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Vulnerability Title
VeraCrypt: Hidden volume quick format weakens plausible deniability
Vulnerability Description
VeraCrypt provides disk encryption with strong security based on TrueCrypt. From 1.26.6 until 1.26.29, file-hosted hidden volume creation forces quick format and the FormatNoFs function in src/Common/Format.c and FormatFat function in src/Common/Fat.c use WriteFile to place raw zeroed sectors at predictable 128 MiB intervals. These writes bypass the normal EncryptDataUnits formatting path, leaving deterministic plaintext markers in an area expected to resemble random ciphertext. The markers can weaken plausible deniability during forensic inspection, although they do not disclose hidden-volume content or reduce the strength of VeraCrypt encryption. This issue is fixed in version 1.26.29.
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Vulnerability Type
保护机制失效
Vulnerability Title
VeraCrypt 处理逻辑错误漏洞
Vulnerability Description
VeraCrypt是veracrypt组织的一款磁盘加密软件。 VeraCrypt 1.26.6版本至1.26.29之前版本存在处理逻辑错误漏洞,该漏洞源于文件托管隐藏卷创建时,FormatNoFs和FormatFat函数使用WriteFile在可预测的128 MiB间隔放置原始零扇区,绕过了正常的EncryptDataUnits格式化路径,留下确定性明文标记,可能削弱取证检查时的合理否认性。
CVSS Information
N/A
Vulnerability Type
N/A