CVE-2019-11830

CRITICAL

PharStreamWrapper <2.1.1-3.1.1 - Deserialization

Title source: llm

Description

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.

References (6)

[Release Notes, Third Party Advisory] https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1

[Release Notes, Third Party Advisory] https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1

[Vendor Advisory] https://typo3.org/security/advisory/typo3-psa-2019-008/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523/

Scores

CVSS v3 9.8

EPSS 0.0249

EPSS Percentile 85.1%

Attack Vector NETWORK

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

Classification

CWE

CWE-502

Status published

Affected Products (2)

typo3/pharstreamwrapper < 2.1.1

typo3/phar-stream-wrapper < 2.1.1Packagist

Timeline

Published May 09, 2019

Tracked Since Feb 18, 2026