Update: creating User-Agent

[santoshkal]

update populating User-Agent string

[dryrunsecurity]

Hi there 👋, @DryRunSecurity here, below is a summary of our analysis and findings.

DryRun Security	Status	Findings
Configured Codepaths Analyzer	✅	0 findings
Sensitive Files Analyzer	✅	0 findings
Authn/Authz Analyzer	❕	1 finding
AppSec Analyzer	✅	0 findings
Secrets Analyzer	✅	0 findings

Note

🟢 Risk threshold not exceeded.

Change Summary (click to expand)

The following is a summary of changes in this pull request made by me, your security buddy 🤖. Note that this summary is auto-generated and not meant to be a definitive list of security issues but rather a helpful summary from a security perspective.

Summary:

The provided code changes are focused on improving the user agent string used in the HTTP requests made to the OCI (Open Container Initiative) registry and removing a utility function that was used to retrieve version information.

The changes to the ociClient.go file update the user agent string to include the cosign version information, the operating system, and the architecture. This is a minor change that does not introduce any significant security concerns. However, it's worth noting that the user agent string can be used for fingerprinting and potentially identifying the client application, so it's generally a good practice to limit the amount of information exposed in the user agent string.

The changes to the utils.go file remove the GetVersion() function, which was responsible for retrieving the latest Git tag and using it to construct a user agent string. The removal of this function reduces the exposure of version information, which can sometimes be useful for attackers to identify potential vulnerabilities. Additionally, the original GetVersion() function used the exec.Command() function to execute Git commands, which could have potentially introduced security risks, such as command injection vulnerabilities, if the input was not properly sanitized. The removal of this function eliminates this potential risk.

Files Changed:

1. pkg/oci/ociClient.go:

   • The changes update the user agent string used in the HTTP requests made to the OCI registry.
   • The new user agent string includes the cosign version information, the operating system, and the architecture.
   • The changes do not introduce any significant security concerns, but it's worth considering the potential for fingerprinting and identifying the client application.

2. pkg/utils/utils.go:

   • The changes remove the GetVersion() function, which was responsible for retrieving the latest Git tag and using it to construct a user agent string.
   • The removal of this function reduces the exposure of version information, which can sometimes be useful for attackers to identify potential vulnerabilities.
   • The original GetVersion() function used the exec.Command() function to execute Git commands, which could have potentially introduced security risks, such as command injection vulnerabilities. The removal of this function eliminates this potential risk.

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