Description
Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7 and 2.30.2, the `dotfiles` registry module passed unsanitized user input to shell commands, allowing arbitrary code execution inside a provisioned workspace. Any user who supplied a crafted `dotfiles_uri` value (for example, one containing shell command substitution such as `$(...)`) could achieve command execution in their own workspace. The Create Workspace page's `mode=auto` deep links amplified this into a one-click attack: an attacker could craft a URL that prefilled `param.dotfiles_uri` and silently provisioned a workspace with the attacker-controlled value, with no explicit user confirmation. In versions 2.29.7 and 2.30.2, input validation was added to the dotfiles module to reject URIs and usernames containing special characters, and the unsafe `eval`/`sh -c` usage was removed. This eliminated the command injection at its source.
Problem types
CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Product status
>= 2.30.0, < 2.30.2
References
github.com/.../coder/security/advisories/GHSA-m3cr-vc2j-pm27
github.com/coder/coder/pull/22011
github.com/coder/registry/pull/703
github.com/...ommit/60e3ab7632f42415d283b9fd5622ee53a4639ceb
github.com/...ommit/8e68c96633f65a1babd76a93b6923e3deead4a82
github.com/coder/coder/releases/tag/v2.29.7
github.com/coder/coder/releases/tag/v2.30.2