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CVE-2019-11830 — Vulnerability in typo3/phar-stream-wrapper — CVE...

CRITICAL

PharStreamWrapper for Typo3 unsafe deserialization vulnerability

Published May 24, 2022Updated February 16, 2024Source: osv

Summary

PharMetaDataInterceptor in the PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 mishandles Phar stub parsing, which allows attackers to bypass a deserialization protection mechanism.

Advisory Timeline

  • First published May 24, 2022 (1602 days ago).
  • Last revised February 16, 2024 — 633 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update typo3/phar-stream-wrapper to 2.1.1 or later
composer require "typo3/phar-stream-wrapper:^2.1.1"
Composer
Update typo3/phar-stream-wrapper to 3.1.1 or later
composer require "typo3/phar-stream-wrapper:^3.1.1"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
typo3/phar-stream-wrapper
packagist
v2.0.0, v2.0.1, v2.1.02.1.1
typo3/phar-stream-wrapper
packagist
v3.0.0, v3.0.1, v3.1.03.1.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-502
    Deserialization of Untrusted DataMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2019-11830?
PharStreamWrapper for Typo3 unsafe deserialization vulnerability This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2019-11830?
CVE-2019-11830 affects typo3/phar-stream-wrapper. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-11830 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-3hxw-g85p-qgxm

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