CVE-2019-11576: Code.gitea.io/gitea Gitea Allows 1FA Even For Vulnerability

CRITICAL
Advisory Identifier: GHSA-3393-r4p5-vhqh
CVSS 9.8
CWE-287
Published
Advisory Summary

CVE-2019-11576 is a CRITICAL (CVSS 9.8) gitea allows 1fa even for vulnerability (CWE-287: Improper Authentication) affecting Code.gitea.io/gitea libraries in the Go ecosystem. The issue involves gitea allows 1fa even for 2fa-enrolled accounts. Remediation is available by upgrading affected packages to version 1.8.0.

CVE-2019-11576 at a Glance

CVE Identifier CVE-2019-11576
GHSA Identifier GHSA-3393-r4p5-vhqh
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-287: Improper Authentication
Affected Product Code.gitea.io/gitea
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2019-11576

To remediate this vulnerability, upgrade all affected Code.gitea.io/gitea dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

code.gitea.io/gitea fixed: 1.8.0
Upgrade code.gitea.io/gitea to 1.8.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

inspect dependencies for code.gitea.io/gitea

How to Check if You Are Affected

To determine whether your application is affected by CVE-2019-11576, inspect your project dependencies for Code.gitea.io/gitea:

inspect dependencies for code.gitea.io/gitea

Analyze the terminal output to locate any version of Code.gitea.io/gitea in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.8.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-287: Improper Authentication, where when an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. In Code.gitea.io/gitea, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Gitea before 1.8.0 allows 1FA for user accounts that have completed 2FA enrollment. If a user's credentials are known, then an attacker could send them to the API without requiring the 2FA one-time password.

CVE-2019-11576 Affected Code.gitea.io/gitea Versions

1 component(s)
Fixed Versions:
1.8.0
Product / Package Ecosystem Affected Versions Fixed Version
code.gitea.io/gitea
Go
< 1.8.0
1.8.0

References

Frequently Asked Questions

What is CVE-2019-11576?
CVE-2019-11576 is a security vulnerability in Code.gitea.io/gitea involving Gitea Allows 1FA Even for 2FA-Enrolled Accounts under CWE-287: Improper Authentication.
Which Code.gitea.io/gitea versions are affected?
Affected versions include releases prior to 1.8.0 across affected packages: code.gitea.io/gitea.
What version fixes CVE-2019-11576?
Upgrading to 1.8.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is code.gitea.io/gitea affected?
Yes, code.gitea.io/gitea is affected in releases prior to 1.8.0. Upgrade your dependency to 1.8.0 or later.
What is the CVSS score of CVE-2019-11576?
CVE-2019-11576 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2019-11576?
CVE-2019-11576 is classified under CWE-287: Improper Authentication (When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.).
How can I check Go dependencies for CVE-2019-11576?
Run the dependency tree command: 'inspect dependencies for code.gitea.io/gitea'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-3393-r4p5-vhqh",
  "modified" : "2024-04-24T20:58:10Z",
  "published" : "2022-05-24T16:44:49Z",
  "aliases" : [ "CVE-2019-11576" ],
  "summary" : "Gitea Allows 1FA Even for 2FA-Enrolled Accounts",
  "details" : "Gitea before 1.8.0 allows 1FA for user accounts that have completed 2FA enrollment. If a user's credentials are known, then an attacker could send them to the API without requiring the 2FA one-time password.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "code.gitea.io/gitea"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.8.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-11576"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/pull/6674"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/go-gitea/gitea/pull/6676"
  }, {
    "type" : "WEB",
    "url" : "https://blog.gitea.io/2019/04/gitea-1.8.0-is-released"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/go-gitea/gitea"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-287" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-24T20:58:10Z",
    "nvd_published_at" : "2019-04-28T02:29:00Z"
  }
}