PharStreamWrapper up to 2.1.0/3.1.0 on TYPO3 Protection Mechanism path traversal

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in PharStreamWrapper up to 2.1.0/3.1.0 on TYPO3. Affected by this issue is an unknown code of the component Protection Mechanism. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 05/08/2019. The weakness was released 05/09/2019 by Security Team with Drupal Security Team (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2019-11831 since 05/08/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176940 (Debian Security Update for drupal7 (DLA 1797-1)).

Upgrading to version 2.1.1 or 3.1.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 108023†). Entry connected to this vulnerability is available at VDB-133882.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PharStreamWrapper 2.1.1/3.1.1

Timelineinfo

04/17/2019 🔍
05/08/2019 +21 days 🔍
05/08/2019 +0 days 🔍
05/09/2019 +1 days 🔍
05/09/2019 +0 days 🔍
09/15/2023 +1590 days 🔍

Sourcesinfo

Advisory: SA_19_22⛔
Researcher: Security Team
Organization: Drupal Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-11831 (🔍)
SecurityFocus: 108023 - JQuery CVE-2019-11358 Cross Site Scripting Vulnerability

See also: 🔍

Entryinfo

Created: 05/09/2019 12:54
Updated: 09/15/2023 09:41
Changes: 05/09/2019 12:54 (61), 06/08/2020 12:39 (7), 09/15/2023 09:41 (5)
Complete: 🔍
Cache ID: 18:BEB:103

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