Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Typo3 | Pharstreamwrapper | >= 2.0.0, < 2.1.1 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 28 |
| Drupal | Drupal | >= 7.0, < 7.67 |
| Joomla | Joomla\! | >= 3.9.3, <= 3.9.5 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/108302Third Party AdvisoryVDB Entry
- https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1Release NotesThird Party Advisory
- https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1Release NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00029.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/May/36Issue TrackingMailing ListThird Party Advisory
- https://typo3.org/security/advisory/typo3-psa-2019-007/Vendor Advisory
- https://www.debian.org/security/2019/dsa-4445Third Party Advisory
- https://www.drupal.org/sa-core-2019-007Third Party Advisory
- https://www.synology.com/security/advisory/Synology_SA_19_22Third Party Advisory
FAQ
What is CVE-2019-11831?
CVE-2019-11831 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 protect...
How severe is CVE-2019-11831?
CVE-2019-11831 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-11831?
Check the references section above for vendor advisories and patch information. Affected products include: Typo3 Pharstreamwrapper, Debian Debian Linux, Fedoraproject Fedora, Drupal Drupal, Joomla Joomla\!.