CVE-2019-11831

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory typo3.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.drupal.org/sa-core-2019-007 third party advisory
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1 third party advisory release notes
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1 third party advisory release notes
https://typo3.org/security/advisory/typo3-psa-2019-007/ vendor advisory
https://www.synology.com/security/advisory/Synology_SA_19_22 third party advisory
http://www.securityfocus.com/bid/108302 third party advisory vdb entry
https://www.debian.org/security/2019/dsa-4445 third party advisory vendor advisory
https://seclists.org/bugtraq/2019/May/36 mailing list third party advisory issue tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/ vendor advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00029.html third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z246UWBXBEKTQUDTLRJTC7XYBIO4IBE4/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E3NUKPG7V4QEM6QXRMHYR4ABFMW5MM2P/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11831?
CVE-2019-11831 has been scored as a critical severity vulnerability.
How to fix CVE-2019-11831?
To fix CVE-2019-11831, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11831 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11831 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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