CVE-2019-11831
drupal7 - security update
9.8
CRITICAL
CVSS 3.1
EPSS 28.6%
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.
How to fix CVE-2019-11831
To remediate CVE-2019-11831, upgrade the affected package to a fixed version below.
- Debian/drupal7—upgrade to 7.52-2+deb9u9 or later
- —upgrade to 8.6.16 or later
- —upgrade to 7.67.0 or later
- —upgrade to 7.67.0 or later
- —upgrade to 2.1.1 or later
Is CVE-2019-11831 being exploited?
Moderate — EPSS is 28.6%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- from 0, < 7.52-2+deb9u9
- >= 8.0.0, < 8.6.16 | >= 8.7.0, < 8.7.1
- >= 7.0.0, < 7.67.0
- >= 7.0.0, < 7.67.0
- >= 2.0.0, < 2.1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |