Deserialization in TYPO3 Pharstreamwrapper
CVE-2019-11830
PharMetaDataInterceptor in the PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 mishandles Phar stub parsing, which allows attackers to bypass a deserialization protection mechanism.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
Weakness classification (CWE)
References
- typo3.org/security/advisory/typo3-psa-2019-008/ (Vendor 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)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- 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-2019-11830?
- CVE-2019-11830 is a critical-severity vulnerability in TYPO3 Pharstreamwrapper, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2019-05-09.
- How severe is CVE-2019-11830?
- Critical severity. CVSS v3 base score is 9.8 out of 10.