Critical severity · published May 9, 2019
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…
9.8
CVSS
5.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.4% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DR
Drupal · Drupal
7.0 before 7.67; 8.6.0 before 8.6.16; 8.7.0 before 8.7.1 · source: NVD
JO
Joomla · Joomla
3.9.3 through 3.9.5 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
FE
Fedora · Fedoraproject
28; 29; 30 · source: NVD
PH
Pharstreamwrapper · Typo3
2.0.0 before 2.1.1; 3.0.0 before 3.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11831
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11831
Third Party Advisory
http://www.securityfocus.com/bid/108302
Release Notes
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1
Release Notes
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1
Mailing List
https://lists.debian.org/debian-lts-announce/2019/05/msg00029.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH/
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