CVE-2019-11831

Advisory lineage Upstream: 0 Downstream: 3
Modified
Published: 09 May 2019, 03:52
Last modified:04 Aug 2024, 23:03

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
28.62% HIGH
29% probability +17.95%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

09 May 2019, 03:52
Published
Vulnerability first disclosed
04 Aug 2024, 23:03
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 28.62%• Percentile: 97%

Techniques & Countermeasures

  • CWE-22•Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

    The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

  • CWE-502•Deserialization of Untrusted Data

    The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected Systems

  • debian•debian_linux

    8.0 | 9.0

  • drupal•drupal

    ≥ 7.0, < 7.67 | ≥ 8.6.0, < 8.6.16 | ≥ 8.7.0, < 8.7.1

  • fedoraproject•fedora

    28 | 29 | 30

  • Unknown•Joomla!

    ≥ 3.9.3, ≤ 3.9.5

  • typo3•pharstreamwrapper

    ≥ 2.0.0, < 2.1.1 | ≥ 3.0.0, < 3.1.1

References (15)