Path Traversal in Drupal
CVE-2019-11831
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.054 (92.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.056 · newest: 0.054 · change: -0.002
Affected products
- Drupal
- Joomla Joomla\!
- TYPO3 Pharstreamwrapper
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 28, 29, 30
Weakness classification (CWE)
References
- www.drupal.org/sa-core-2019-007 (Third Party Advisory)
- github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1 (Third Party Advisory, Release Notes)
- github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1 (Third Party Advisory, Release Notes)
- typo3.org/security/advisory/typo3-psa-2019-007/ (Vendor Advisory)
- www.synology.com/security/advisory/Synology_SA_19_22 (Third Party Advisory)
- www.securityfocus.com/bid/108302 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2019/dsa-4445 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/May/36 (mailing-list, Mailing List, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-11831?
- CVE-2019-11831 is a critical-severity vulnerability in Drupal, classified under Path Traversal. CVSS score: 9.8/10. Published 2019-05-09.
- How severe is CVE-2019-11831?
- Critical severity. CVSS v3 base score is 9.8 out of 10.