CVE-2022-45198: Pillow Pillow Vulnerable To Data Amplification Vulnerability

HIGH
Advisory Identifier: GHSA-m2vv-5vj5-2hm7
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CVSS 7.5
CWE-409
Published
Advisory Summary

CVE-2022-45198 is a HIGH (CVSS 7.5) pillow vulnerable to data amplification vulnerability (CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)) affecting Pillow libraries in the PyPI ecosystem. The issue involves pillow vulnerable to data amplification attack.. Remediation is available by upgrading affected packages to version 9.2.0.

CVE-2022-45198 at a Glance

CVE Identifier CVE-2022-45198
GHSA Identifier GHSA-m2vv-5vj5-2hm7
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)
Affected Product Pillow
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:N/I:N/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 None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2022-45198

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

pillow fixed: 9.2.0 
pip install pillow>=9.2.0
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 pillow

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2022-45198, inspect your installed packages using pip:

pip show pillow

Analyze the terminal output to locate any version of Pillow in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 9.2.0), your application is affected.

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

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-409: Improper Handling of Highly Compressed Data (Data Amplification), where the product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output. In Pillow, 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

Pillow before 9.2.0 performs Improper Handling of Highly Compressed GIF Data (Data Amplification).

CVE-2022-45198 Affected Pillow Versions

1 component(s)
Fixed Versions:
9.2.0
Product / Package Ecosystem Affected Versions Fixed Version
pillow
pypi/pillow
PyPI
< 9.2.0
9.2.0

References

NVD — CVE-2022-45198 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-45198
Pillow Source Repository REPOSITORY
https://github.com/python-pillow/Pillow/pull/6402
Pillow Source Repository REPOSITORY
https://github.com/python-pillow/Pillow/pull/6402/commits/c9f1b35e981075110a23487a8d4a6cbb59a588ea
Security Fix Commit FIX COMMIT
https://github.com/python-pillow/Pillow/commit/11918eac0628ec8ac0812670d9838361ead2d6a4
bugs.gentoo.org/855683 WEB
https://bugs.gentoo.org/855683
MITRE CVE Database — CVE-2022-45198 MITRE
https://cwe.mitre.org/data/definitions/409.html
Pillow Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2022-42979.yaml
Pillow Source Repository REPOSITORY
https://github.com/python-pillow/Pillow
Pillow Release RELEASE
https://github.com/python-pillow/Pillow/releases/tag/9.2.0
Pillow Security Information SECURITY
https://security.gentoo.org/glsa/202211-10

Frequently Asked Questions

What is CVE-2022-45198?
CVE-2022-45198 is a security vulnerability in Pillow involving Pillow vulnerable to Data Amplification attack. under CWE-409: Improper Handling of Highly Compressed Data (Data Amplification).
Which Pillow versions are affected?
Affected versions include releases prior to 9.2.0 across affected packages: pillow.
What version fixes CVE-2022-45198?
Upgrading to 9.2.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is pillow affected?
Yes, pillow is affected in releases prior to 9.2.0. Upgrade your dependency to 9.2.0 or later.
What is the CVSS score of CVE-2022-45198?
CVE-2022-45198 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:N/I:N/A:H.
What CWE is associated with CVE-2022-45198?
CVE-2022-45198 is classified under CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) (The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.).
How can I check PyPI dependencies for CVE-2022-45198?
Run the dependency tree command: 'pip show pillow'. 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-m2vv-5vj5-2hm7",
  "modified" : "2024-10-11T20:44:44Z",
  "published" : "2022-11-14T12:00:15Z",
  "aliases" : [ "CVE-2022-45198" ],
  "summary" : "Pillow vulnerable to Data Amplification attack.",
  "details" : "Pillow before 9.2.0 performs Improper Handling of Highly Compressed GIF Data (Data Amplification).",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "pillow"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "9.2.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-45198"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/python-pillow/Pillow/pull/6402"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/python-pillow/Pillow/pull/6402/commits/c9f1b35e981075110a23487a8d4a6cbb59a588ea"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/python-pillow/Pillow/commit/11918eac0628ec8ac0812670d9838361ead2d6a4"
  }, {
    "type" : "WEB",
    "url" : "https://bugs.gentoo.org/855683"
  }, {
    "type" : "WEB",
    "url" : "https://cwe.mitre.org/data/definitions/409.html"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2022-42979.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/python-pillow/Pillow"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/python-pillow/Pillow/releases/tag/9.2.0"
  }, {
    "type" : "WEB",
    "url" : "https://security.gentoo.org/glsa/202211-10"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-409" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-11-22T00:14:54Z",
    "nvd_published_at" : "2022-11-14T07:15:00Z"
  }
}