Vulnerability Information
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Vulnerability Title
in-toto vulnerable to Configuration Read From Local Directory
Vulnerability Description
in-toto is a framework to protect supply chain integrity. The in-toto configuration is read from various directories and allows users to configure the behavior of the framework. The files are from directories following the XDG base directory specification. In versions 1.4.0 and prior, among the files read is `.in_totorc` which is a hidden file in the directory in which in-toto is run. If an attacker controls the inputs to a supply chain step, they can mask their activities by also passing in an `.in_totorc` file that includes the necessary exclude patterns and settings. RC files are widely used in other systems and security issues have been discovered in their implementations as well. Maintainers found in their conversations with in-toto adopters that `in_totorc` is not their preferred way to configure in-toto. As none of the options supported in `in_totorc` is unique, and can be set elsewhere using API parameters or CLI arguments, the maintainers decided to drop support for `in_totorc`. in-toto's `user_settings` module has been dropped altogether in commit 3a21d84f40811b7d191fa7bd17265c1f99599afd. Users may also sandbox functionary code as a security measure.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Vulnerability Type
系统设置或配置在外部可控制
Vulnerability Title
in-toto 安全漏洞
Vulnerability Description
in-toto是in-toto开源的一个用来保护软件供应链完整性的框架。 in-toto 1.4.0及之前版本存在安全漏洞，该漏洞源于在运行目录存在隐藏文件.in_totorc，如果攻击者控制供应链步骤的输入，他们可以通过传入包含必要的排除模式和设置的 .in_totorc 文件来掩盖他们的活动。
CVSS Information
N/A
Vulnerability Type
N/A