CVE-2022-21712: Twisted Cookie And Header Exposure Vulnerability

HIGH
Advisory Identifier: GHSA-92x2-jw7w-xvvx
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CVSS 7.5
CWE-200 CWE-346
Published
Advisory Summary

CVE-2022-21712 is a HIGH (CVSS 7.5) cookie and header exposure vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Twisted libraries in the PyPI ecosystem. The issue involves cookie and header exposure in twisted. Remediation is available by upgrading affected packages to version 22.1.0.

CVE-2022-21712 at a Glance

CVE Identifier CVE-2022-21712
GHSA Identifier GHSA-92x2-jw7w-xvvx
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product Twisted
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 7.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

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 None (I:N)
Availability None (A:N)

How to Fix CVE-2022-21712

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

Twisted fixed: 22.1.0 
pip install Twisted>=22.1.0
Verify Direct and Transitive Dependencies

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

pip show Twisted

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2022-21712, inspect your installed packages using pip:

pip show Twisted

Analyze the terminal output to locate any version of Twisted in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 22.1.0), your application is affected.

Note: The pip show Twisted command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Twisted, 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

### Impact Cookie and Authorization headers are leaked when following cross-origin redirects in `twited.web.client.RedirectAgent` and `twisted.web.client.BrowserLikeRedirectAgent`.

CVE-2022-21712 Affected Twisted Versions

1 component(s)
Fixed Versions:
22.1.0
Product / Package Ecosystem Affected Versions Fixed Version
Twisted
pypi/Twisted
PyPI
≥ 11.1.0
< 22.1.0
22.1.0

References

GitHub Advisory / Wiki ADVISORY
https://github.com/twisted/twisted/security/advisories/GHSA-92x2-jw7w-xvvx
NVD — CVE-2022-21712 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-21712
Security Fix Commit FIX COMMIT
https://github.com/twisted/twisted/commit/af8fe78542a6f2bf2235ccee8158d9c88d31e8e2
Twisted Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2022-27.yaml
Twisted Source Repository REPOSITORY
https://github.com/twisted/twisted
Twisted Release RELEASE
https://github.com/twisted/twisted/releases/tag/twisted-22.1.0
lists.debian.org/debian-lts-announce... WEB
https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6
pypi.org/project/twisted WEB
https://pypi.org/project/Twisted
Twisted Security Information SECURITY
https://security.gentoo.org/glsa/202301-02

Frequently Asked Questions

What is CVE-2022-21712?
CVE-2022-21712 is a security vulnerability in Twisted involving Cookie and header exposure in twisted under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which Twisted versions are affected?
Affected versions include releases prior to 22.1.0 across affected packages: Twisted.
What version fixes CVE-2022-21712?
Upgrading to 22.1.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Twisted affected?
Yes, Twisted is affected in releases prior to 22.1.0. Upgrade your dependency to 22.1.0 or later.
What is the CVSS score of CVE-2022-21712?
CVE-2022-21712 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2022-21712?
CVE-2022-21712 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check PyPI dependencies for CVE-2022-21712?
Run the dependency tree command: 'pip show Twisted'. 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
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-92x2-jw7w-xvvx",
  "modified" : "2024-11-25T18:33:22Z",
  "published" : "2022-02-07T22:36:00Z",
  "aliases" : [ "CVE-2022-21712" ],
  "summary" : "Cookie and header exposure in twisted",
  "details" : "### Impact\n\nCookie and Authorization headers are leaked when following cross-origin redirects in `twited.web.client.RedirectAgent` and `twisted.web.client.BrowserLikeRedirectAgent`.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
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      "ecosystem" : "PyPI",
      "name" : "Twisted"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "11.1.0"
      }, {
        "fixed" : "22.1.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/twisted/twisted/security/advisories/GHSA-92x2-jw7w-xvvx"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-21712"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/twisted/twisted/commit/af8fe78542a6f2bf2235ccee8158d9c88d31e8e2"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2022-27.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/twisted/twisted"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/twisted/twisted/releases/tag/twisted-22.1.0"
  }, {
    "type" : "WEB",
    "url" : "https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6"
  }, {
    "type" : "WEB",
    "url" : "https://pypi.org/project/Twisted"
  }, {
    "type" : "WEB",
    "url" : "https://security.gentoo.org/glsa/202301-02"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200", "CWE-346" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-02-07T22:36:00Z",
    "nvd_published_at" : "2022-02-07T22:15:00Z"
  }
}