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CVE-2019-11831

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Date: May 8, 2019

The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 does not prevent directory traversal, which allows attackers to bypass a deserialization protection mechanism, as demonstrated by a phar:///path/bad.phar/../good.phar URL.

Language: PHP

Severity Score

Related Resources (20)

http://www.securityfocus.com/bid/108302
https://lists.debian.org/debian-lts-announce/2019/05/msg00029.html
https://www.drupal.org/sa-core-2019-007
https://security.alpinelinux.org/vuln/CVE-2019-11831
https://nvd.nist.gov/vuln/detail/CVE-2019-11831
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E3NUKPG7V4QEM6QXRMHYR4ABFMW5MM2P/
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1
https://typo3.org/security/advisory/typo3-psa-2019-007/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR/
https://www.debian.org/security/2019/dsa-4445
https://security-tracker.debian.org/tracker/CVE-2019-11831
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-11831
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z246UWBXBEKTQUDTLRJTC7XYBIO4IBE4/
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/
https://seclists.org/bugtraq/2019/May/36
https://www.synology.com/security/advisory/Synology_SA_19_22
https://www.mend.io/vulnerability-database/CVE-2019-11831

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

Path Traversal

CWE-22

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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