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audit-exclude

v0.6.6

Published

Filters npm audit output for use in CI

Downloads

17

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

ijuaniijuani

Keywords

Readme

Fork of audit-filter which supports npm@7+

audit-filter

crates.io version Build Status npm version

audit-filter takes the output of npm audit --json and an nsp rc config file without comments and filters out advisories according to the nsp offline exceptions format (see usage for an example).

This provides a migration path from nsp check to npm audit and lets projects to use npm audit in CI pipelines without masking all advisories (e.g. with npm audit || true).

Install

Requirements

  • node 8.x or 10.x
  • npm@6 (for --json support and newer package-lock.json format)

Local NPM package

  1. Run npm install --save-dev audit-filter to add it as a dev dependency

  2. Require an npm version with npm audit support in package.json e.g.

{
  ...
  "engines": {
    "node": ">=8",
    "npm": ">=6.4.1"
  },
  ...
}
  1. Add an empty exceptions file named .nsprc:
{
  "exceptions": [
  ]
}
  1. Optionally, add an npm script command:
{
  "scripts": {
    "lint:deps": "npm audit --json | audit-filter --nsp-config=.nsprc --audit=-"
	...
  }
  ...
  "devDependencies": {
    "audit-filter": "0.3.0"
  },
  ...
}

and test it with: npm run lint:deps or npm run-script lint:deps

  1. Optionally, set "The minimum level of vulnerability for npm audit to exit with a non-zero exit with npm config audit level ('low', 'moderate', 'high', 'critical')

Global NPM package

npm install -g audit-filter

Cargo

cargo install audit-filter

Usage

Note: all commands run from the project root

$ audit-filter -h
audit-filter filters the output of "npm audit --json"

Usage:
  audit-filter [--json] [--audit=<->] [--nsp-config=<.nsprc>]
  audit-filter (-h | --help | --version)

Options:
  -h --help                       Show this screen.
  --version                       Show version.
  --json                          Output subset of JSON for the unfiltered advisories as an array.
  --audit=<audit>                 NPM Audit JSON file [default: -].
  --nsp-config=<config>           Default filter config [default: .nsprc].
$ cd audit-filter/example/
$ cat package.json
{
  "dependencies": {
    "moment": "2.19.2",
    "restify": "7.0.0"
  },
  "devDependencies": {
    "audit-filter": "0.3.0",
    "lodash": "^4.17.15"
  },
  "engines": {
    "node": ">=8",
    "npm": ">=6.4.1"
  },
  "scripts": {
    "lint:deps": "npm audit --json | audit-filter --nsp-config=.nsprc --audit=-"
  }
}
$ npm --version
6.9.0
$ npm audit
                                                                                
                       === npm audit security report ===                        
                                                                                
# Run  npm install [email protected]  to resolve 1 vulnerability
┌───────────────┬──────────────────────────────────────────────────────────────┐
│ Low           │ Regular Expression Denial of Service                         │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Package       │ moment                                                       │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Dependency of │ moment                                                       │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Path          │ moment                                                       │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ More info     │ https://npmjs.com/advisories/532                             │
└───────────────┴──────────────────────────────────────────────────────────────┘


# Run  npm update moment --depth 3  to resolve 1 vulnerability
┌───────────────┬──────────────────────────────────────────────────────────────┐
│ Low           │ Regular Expression Denial of Service                         │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Package       │ moment                                                       │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Dependency of │ restify                                                      │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Path          │ restify > bunyan > moment                                    │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ More info     │ https://npmjs.com/advisories/532                             │
└───────────────┴──────────────────────────────────────────────────────────────┘


# Run  npm update lodash --depth 3  to resolve 2 vulnerabilities
┌───────────────┬──────────────────────────────────────────────────────────────┐
│ High          │ Prototype Pollution                                          │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Package       │ lodash                                                       │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Dependency of │ restify                                                      │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Path          │ restify > lodash                                             │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ More info     │ https://npmjs.com/advisories/1065                            │
└───────────────┴──────────────────────────────────────────────────────────────┘


┌───────────────┬──────────────────────────────────────────────────────────────┐
│ High          │ Prototype Pollution                                          │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Package       │ lodash                                                       │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Dependency of │ restify                                                      │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Path          │ restify > restify-errors > lodash                            │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ More info     │ https://npmjs.com/advisories/1065                            │
└───────────────┴──────────────────────────────────────────────────────────────┘


found 4 vulnerabilities (2 low, 2 high) in 137 scanned packages
  run `npm audit fix` to fix 4 of them.
$ echo $?
1
$ cat .nsprc
{
  "exceptions": [
    "https://npmjs.com/advisories/532",
    "https://npmjs.com/advisories/577",
    "https://npmjs.com/advisories/782",
    "https://npmjs.com/advisories/1065"
   ]
}
$ npm audit --json | audit-filter
No advisories found after filtering.
$ echo $?
0
$ # Alternatively specify audit and config file paths (note: errors print to stderr)
$ cd .. && audit-filter --nsp-config example/.nsprc --audit tests/fixtures/screenshots-e78ee92b9a76ed6796cbdf0a9f643e00efc8b8b1-npm-6.9.0-audit.json
Unfiltered advisories:
  https://npmjs.com/advisories/118
  https://npmjs.com/advisories/534
  https://npmjs.com/advisories/566
  https://npmjs.com/advisories/598
  https://npmjs.com/advisories/663
  https://npmjs.com/advisories/755
  https://npmjs.com/advisories/777
  https://npmjs.com/advisories/786
  https://npmjs.com/advisories/788
  https://npmjs.com/advisories/803
  https://npmjs.com/advisories/813
  https://npmjs.com/advisories/886
  https://npmjs.com/advisories/996
  https://npmjs.com/advisories/1012
  https://npmjs.com/advisories/1013
  https://npmjs.com/advisories/1071
$ echo $?
1
$ # use --json for JSON output
$ audit-filter --json --nsp-config example/.nsprc --audit tests/fixtures/screenshots-e78ee92b9a76ed6796cbdf0a9f643e00efc8b8b1-npm-6.9.0-audit.json | head
[
  {
    "findings": [
      {
        "version": "2.0.10",
        "paths": [
          "istanbul-middleware>archiver>glob>minimatch"
        ],
        "dev": null,
        "optional": null,

Fixing comments in .nsprc files

$ cat tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-nsprc-comment.json
{
  // See https://github.com/mozilla-services/screenshots/issues/4397
  "exceptions": [
    "https://nodesecurity.io/advisories/566",
    "https://nodesecurity.io/advisories/577",
    "https://nodesecurity.io/advisories/598",
    "https://nodesecurity.io/advisories/663",
    "https://nodesecurity.io/advisories/664"
   ]
}
$ audit-filter --nsp-config tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-nsprc-comment.json --audit tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-npm-6.4.1-audit.json
Error parsing nsp config JSON: key must be a string at line 2 column 3
$ echo $?
2
$ cat tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-nsprc-comment.json | sed "s|// .*||g" | python -m json.tool
{
    "exceptions": [
        "https://nodesecurity.io/advisories/566",
        "https://nodesecurity.io/advisories/577",
        "https://nodesecurity.io/advisories/598",
        "https://nodesecurity.io/advisories/663",
        "https://nodesecurity.io/advisories/664"
    ]
}
$ # alternatively convert comments into valid JSON e.g.
{
  "comment": "See https://github.com/mozilla-services/screenshots/issues/4397",
  "exceptions": [
    "https://nodesecurity.io/advisories/566",
    "https://nodesecurity.io/advisories/577",
    "https://nodesecurity.io/advisories/598",
    "https://nodesecurity.io/advisories/663",
    "https://nodesecurity.io/advisories/664"
   ]
}

Exit Codes

  • 0 - No advisories or all advisories acked from filters
  • 1 - New failures one or more unacked advisory. Rerun npm audit to see the errors.
  • 2 - Error finding or parsing config files or audit JSON.

Other errors

NB: error messages will differ for audit-filter installed with NPM

Enumerated here for completeness. These all exit with code 2.

Error opening audit file

$ audit-filter --nsp-config tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-nsprc.json --audit no-file
Error opening audit JSON no-file: No such file or directory (os error 2)

Error parsing audit from stdin

$ echo "this is not JSON" | audit-filter --nsp-config tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-nsprc.json --audit -
Error parsing audit JSON from stdin: expected ident at line 1 column 2

Error parsing audit from file

$ echo "this is not JSON" > not_json.txt
$ audit-filter --nsp-config tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-nsprc.json --audit not_json.txt
Error parsing audit JSON: expected ident at line 1 column 2

Error opening nsp config file

$ audit-filter --nsp-config no-file --audit tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-npm-6.4.1-audit.json
Error opening nsp config JSON no-file: No such file or directory (os error 2)

Error parsing nsp config from stdin

$ echo "this is not JSON" | audit-filter --nsp-config - --audit tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-npm-6.4.1-audit.json
Error parsing nsp config JSON from stdin: expected ident at line 1 column 2

Error parsing nsp config from file

$ echo "this is not JSON" > not_json.txt
$ audit-filter --nsp-config not_json.txt --audit tests/fixtures/screenshots-0191b17d3bac5de51efa7acbaa0d52bb26c91573-npm-6.4.1-audit.json
Error parsing nsp config JSON: expected ident at line 1 column 2

Building

To build a static executable:

$ rustup target add x86_64-unknown-linux-musl
...
$ cargo build --release --target x86_64-unknown-linux-musl
...
$ ls -lh ./target/x86_64-unknown-linux-musl/release/audit-filter
-rwxrwxr-x 2 gguthe gguthe 7.0M Sep 20 13:09 ./target/x86_64-unknown-linux-musl/release/audit-filter
$ ldd ./target/x86_64-unknown-linux-musl/release/audit-filter
        not a dynamic executable

Building from Mac OS X

brew install rust
rustup-init
rustup target add x86_64-unknown-linux-musl

(Edit your ~/.cargo/config to add the following)

[target.x86_64-unknown-linux-musl]
linker = "x86_64-linux-musl-gcc"
brew install FiloSottile/musl-cross/musl-cross
TARGET_CC=x86_64-linux-musl-gcc cargo build --release --target x86_64-unknown-linux-musl

Contributors

  • @agwells