CVE-2019-11831
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.59% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22, CWE-502
- Affected
- typo3/pharstreamwrapper · debian/debian linux · fedoraproject/fedora · drupal/drupal · joomla/joomla\!
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/108302Third Party Advisory, VDB Entry
- https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1Release Notes, Third Party Advisory
- https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00029.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E3NUKPG7V4QEM6QXRMHYR4ABFMW5MM2P/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z246UWBXBEKTQUDTLRJTC7XYBIO4IBE4/
- https://seclists.org/bugtraq/2019/May/36Issue Tracking, Mailing List, Third Party Advisory
- https://typo3.org/security/advisory/typo3-psa-2019-007/Vendor Advisory
- https://www.debian.org/security/2019/dsa-4445Third Party Advisory
- https://www.drupal.org/sa-core-2019-007Third Party Advisory
- https://www.synology.com/security/advisory/Synology_SA_19_22Third Party Advisory
- http://www.securityfocus.com/bid/108302Third Party Advisory, VDB Entry
- https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1Release Notes, Third Party Advisory
- https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00029.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E3NUKPG7V4QEM6QXRMHYR4ABFMW5MM2P/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z246UWBXBEKTQUDTLRJTC7XYBIO4IBE4/
- https://seclists.org/bugtraq/2019/May/36Issue Tracking, Mailing List, Third Party Advisory
- https://typo3.org/security/advisory/typo3-psa-2019-007/Vendor Advisory
- https://www.debian.org/security/2019/dsa-4445Third Party Advisory
- https://www.drupal.org/sa-core-2019-007Third Party Advisory
- https://www.synology.com/security/advisory/Synology_SA_19_22Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.