145 lines
11 KiB
Markdown
145 lines
11 KiB
Markdown
---
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stage: Secure
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group: Static Analysis
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
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---
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# SAST Analyzers **(ULTIMATE)**
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SAST relies on underlying third party tools that are wrapped into what we call
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"Analyzers". An analyzer is a
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[dedicated project](https://gitlab.com/gitlab-org/security-products/analyzers)
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that wraps a particular tool to:
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- Expose its detection logic.
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- Handle its execution.
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- Convert its output to the common format.
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This is achieved by implementing the [common API](https://gitlab.com/gitlab-org/security-products/analyzers/common).
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SAST supports the following official analyzers:
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- [`bandit`](https://gitlab.com/gitlab-org/security-products/analyzers/bandit) (Bandit)
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- [`brakeman`](https://gitlab.com/gitlab-org/security-products/analyzers/brakeman) (Brakeman)
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- [`eslint`](https://gitlab.com/gitlab-org/security-products/analyzers/eslint) (ESLint (JavaScript and React))
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- [`flawfinder`](https://gitlab.com/gitlab-org/security-products/analyzers/flawfinder) (Flawfinder)
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- [`gosec`](https://gitlab.com/gitlab-org/security-products/analyzers/gosec) (Gosec)
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- [`kubesec`](https://gitlab.com/gitlab-org/security-products/analyzers/kubesec) (Kubesec)
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- [`nodejs-scan`](https://gitlab.com/gitlab-org/security-products/analyzers/nodejs-scan) (NodeJsScan)
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- [`phpcs-security-audit`](https://gitlab.com/gitlab-org/security-products/analyzers/phpcs-security-audit) (PHP CS security-audit)
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- [`pmd-apex`](https://gitlab.com/gitlab-org/security-products/analyzers/pmd-apex) (PMD (Apex only))
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- [`security-code-scan`](https://gitlab.com/gitlab-org/security-products/analyzers/security-code-scan) (Security Code Scan (.NET))
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- [`sobelow`](https://gitlab.com/gitlab-org/security-products/analyzers/sobelow) (Sobelow (Elixir Phoenix))
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- [`spotbugs`](https://gitlab.com/gitlab-org/security-products/analyzers/spotbugs) (SpotBugs with the Find Sec Bugs plugin (Ant, Gradle and wrapper, Grails, Maven and wrapper, SBT))
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The analyzers are published as Docker images that SAST will use to launch
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dedicated containers for each analysis.
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SAST is pre-configured with a set of **default images** that are maintained by
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GitLab, but users can also integrate their own **custom images**.
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## Official default analyzers
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Any custom change to the official analyzers can be achieved by using an
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[environment variable in your `.gitlab-ci.yml`](index.md#customizing-the-sast-settings).
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### Using a custom Docker mirror
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You can switch to a custom Docker registry that provides the official analyzer
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images under a different prefix. For instance, the following instructs
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SAST to pull `my-docker-registry/gl-images/bandit`
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instead of `registry.gitlab.com/gitlab-org/security-products/analyzers/bandit`.
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In `.gitlab-ci.yml` define:
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```yaml
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include:
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- template: SAST.gitlab-ci.yml
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variables:
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SECURE_ANALYZERS_PREFIX: my-docker-registry/gl-images
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```
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This configuration requires that your custom registry provides images for all
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the official analyzers.
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### Selecting specific analyzers
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You can select the official analyzers you want to run. Here's how to enable
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`bandit` and `flawfinder` while disabling all the other default ones.
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In `.gitlab-ci.yml` define:
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```yaml
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include:
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- template: SAST.gitlab-ci.yml
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variables:
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SAST_DEFAULT_ANALYZERS: "bandit,flawfinder"
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```
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`bandit` runs first. When merging the reports, SAST will
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remove the duplicates and will keep the `bandit` entries.
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### Disabling default analyzers
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Setting `SAST_DEFAULT_ANALYZERS` to an empty string will disable all the official
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default analyzers. In `.gitlab-ci.yml` define:
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```yaml
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include:
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- template: SAST.gitlab-ci.yml
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variables:
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SAST_DEFAULT_ANALYZERS: ""
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```
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That's needed when one totally relies on [custom analyzers](#custom-analyzers).
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## Custom Analyzers
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You can provide your own analyzers by
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defining CI jobs in your CI configuration. For consistency, you should suffix your custom
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SAST jobs with `-sast`. Here's how to add a scanning job that's based on the
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Docker image `my-docker-registry/analyzers/csharp` and generates a SAST report
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`gl-sast-report.json` when `/analyzer run` is executed. Define the following in
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`.gitlab-ci.yml`:
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```yaml
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csharp-sast:
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image:
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name: "my-docker-registry/analyzers/csharp"
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script:
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- /analyzer run
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artifacts:
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reports:
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sast: gl-sast-report.json
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```
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The [Security Scanner Integration](../../../development/integrations/secure.md) documentation explains how to integrate custom security scanners into GitLab.
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## Analyzers Data
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| Property / Tool | Apex | Bandit | Brakeman | ESLint security | SpotBugs | Flawfinder | Gosec | Kubesec Scanner | NodeJsScan | PHP CS Security Audit | Security code Scan (.NET) | Sobelow |
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| --------------------------------------- | :------------------: | :------------------: | :------------------: | :------------------: | :------------------: | :------------------: | :------------------: | :------------------: | :------------------: | :---------------------: | :-------------------------: | :----------------: |
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| Severity | ✓ | ✓ | 𐄂 | 𐄂 | ✓ | ✓ | ✓ | ✓ | 𐄂 | ✓ | 𐄂 | 𐄂 |
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| Title | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| Description | ✓ | 𐄂 | 𐄂 | ✓ | ✓ | 𐄂 | 𐄂 | ✓ | ✓ | 𐄂 | 𐄂 | ✓ |
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| File | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| Start line | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 𐄂 | ✓ | ✓ | ✓ | ✓ |
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| End line | ✓ | ✓ | 𐄂 | ✓ | ✓ | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 |
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| Start column | ✓ | 𐄂 | 𐄂 | ✓ | ✓ | ✓ | ✓ | 𐄂 | 𐄂 | ✓ | ✓ | 𐄂 |
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| End column | ✓ | 𐄂 | 𐄂 | ✓ | ✓ | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 |
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| External ID (e.g. CVE) | 𐄂 | 𐄂 | ⚠ | 𐄂 | ⚠ | ✓ | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 |
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| URLs | ✓ | 𐄂 | ✓ | 𐄂 | ⚠ | 𐄂 | ⚠ | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 |
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| Internal doc/explanation | ✓ | ⚠ | ✓ | 𐄂 | ✓ | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 | ✓ |
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| Solution | ✓ | 𐄂 | 𐄂 | 𐄂 | ⚠ | ✓ | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 |
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| Affected item (e.g. class or package) | ✓ | 𐄂 | ✓ | 𐄂 | ✓ | ✓ | 𐄂 | ✓ | 𐄂 | 𐄂 | 𐄂 | 𐄂 |
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| Confidence | 𐄂 | ✓ | ✓ | 𐄂 | ✓ | x | ✓ | ✓ | 𐄂 | 𐄂 | 𐄂 | ✓ |
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| Source code extract | 𐄂 | ✓ | ✓ | ✓ | 𐄂 | ✓ | ✓ | 𐄂 | 𐄂 | 𐄂 | 𐄂 | 𐄂 |
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| Internal ID | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | 𐄂 | 𐄂 | ✓ | ✓ | ✓ |
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- ✓ => we have that data
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- ⚠ => we have that data but it's partially reliable, or we need to extract it from unstructured content
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- 𐄂 => we don't have that data or it would need to develop specific or inefficient/unreliable logic to obtain it.
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The values provided by these tools are heterogeneous so they are sometimes
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normalized into common values (e.g., `severity`, `confidence`, etc).
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