Directory Traversal Vulnerability in TYPO3 PharStreamWrapper Package
CVE-2019-11831
9.8CRITICAL
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
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