Vulnerability Information
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Vulnerability Title
TCC Bypass via Dylib Injection in Postbox
Vulnerability Description
The Postbox's configuration on macOS, specifically the presence of entitlements: "com.apple.security.cs.allow-dyld-environment-variables" and "com.apple.security.cs.disable-library-validation" allows for Dynamic Library (Dylib) injection. A local attacker with unprivileged access can use environment variables like DYLD_INSERT_LIBRARIES to successfully inject code in application's context and bypass Transparency, Consent, and Control (TCC). Acquired resource access is limited to previously granted permissions by the user. Access to other resources beyond granted-permissions requires user interaction with a system prompt asking for permission. The original company behind Postbox is no longer operational, the software will no longer receive updates. The acquiring company (em Client) did not cooperate in vulnerability disclosure.
CVSS Information
N/A
Vulnerability Type
缺省权限不正确
Vulnerability Title
Postbox 安全漏洞
Vulnerability Description
Postbox是Postbox公司的一个邮件客户端软件。 Postbox存在安全漏洞，该漏洞源于允许动态库注入，可能导致本地攻击者绕过TCC。
CVSS Information
N/A
Vulnerability Type
N/A