Directory Traversal Vulnerability in TYPO3 PharStreamWrapper Package
CVE-2019-11831

9.8CRITICAL

Key Information:

Vendor

Typo3

Status
Pharstreamwrapper
Vendor
CVE Published:
9 May 2019

What is CVE-2019-11831?

The PharStreamWrapper package for TYPO3 contains a directory traversal vulnerability that can be exploited by attackers to bypass deserialization protections. By crafting specific URLs such as phar:///path/bad.phar/../good.phar, an attacker can potentially access sensitive files outside the intended directory structure, compromising the integrity and security of the affected systems.

References

https://www.drupal.org/sa-core-2019-007
x_refsource_CONFIRM
https://github.com/TYPO3/phar-stream-wrapper/releases/tag...
x_refsource_MISC
https://github.com/TYPO3/phar-stream-wrapper/releases/tag...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
The Cyber Security Vulnerability Database.