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cve.new
GHSA-rw54-6826-c8j5medium6.8

yiisoft/yii2-authclient's Oauth2 PKCE implementation is vulnerable

Check your stack

The advisory, in context

Impact

What kind of vulnerability is it? Who is impacted?

Original Report:

The Oauth2 PKCE implementation is vulnerable in 2 ways:

  1. The authCodeVerifier should be removed after usage (similar to 'authState')
  2. There is a risk for a "downgrade attack" if PKCE is being relied on for CSRF protection.

Patches

Has the problem been patched? What versions should users upgrade to?

2.2.15

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?

not known yet.

References

Are there any links users can visit to find out more?

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Ecosystem versions

Earlier releases before 2.2.15

Fixed in 2.2.15

33 explicitly affected versions

2.0.0, 2.0.0-beta, 2.0.0-rc, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5, 2.1.6, 2.1.7, 2.1.8, 2.2.0, 2.2.1, 2.2.10, 2.2.11, 2.2.12, 2.2.13, 2.2.14, 2.2.2, 2.2.3, 2.2.4, 2.2.5, 2.2.6, 2.2.7, 2.2.8, 2.2.9

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "0"
        },
        {
          "fixed": "2.2.15"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "2.0.0",
    "2.0.0-beta",
    "2.0.0-rc",
    "2.0.1",
    "2.0.2",
    "2.0.3",
    "2.0.4",
    "2.0.5",
    "2.0.6",
    "2.1.0",
    "2.1.1",
    "2.1.2",
    "2.1.3",
    "2.1.4",
    "2.1.5",
    "2.1.6",
    "2.1.7",
    "2.1.8",
    "2.2.0",
    "2.2.1",
    "2.2.10",
    "2.2.11",
    "2.2.12",
    "2.2.13",
    "2.2.14",
    "2.2.2",
    "2.2.3",
    "2.2.4",
    "2.2.5",
    "2.2.6",
    "2.2.7",
    "2.2.8",
    "2.2.9"
  ]
}

References