CVE-2019-11831
high-risk
Published 2019-05-09
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.
Do I need to act?
~
9.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (8)
Affected Vendors
References (30)
Third Party Advisory
http://www.securityfocus.com/bid/108302
Issue Tracking
https://seclists.org/bugtraq/2019/May/36
Vendor Advisory
https://typo3.org/security/advisory/typo3-psa-2019-007/
Third Party Advisory
https://www.debian.org/security/2019/dsa-4445
Third Party Advisory
https://www.drupal.org/sa-core-2019-007
Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_19_22
Third Party Advisory
http://www.securityfocus.com/bid/108302
and 10 more references
57
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
11/34 · Low
Exposure
14/34 · Moderate