VDB-141832 · CVE-2019-0195 · GCVE-0-2019-0195

Apache Tapestry 5.4.0/5.4.1/5.4.2/5.4.3 AppModule t:formdata deserialization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apache Tapestry 5.4.0/5.4.1/5.4.2/5.4.3. This impacts the function AppModule. Executing a manipulation of the argument t:formdata as part of Parameter can lead to deserialization. This vulnerability is tracked as CVE-2019-0195. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Apache Tapestry 5.4.0/5.4.1/5.4.2/5.4.3. This vulnerability affects the function AppModule. The manipulation of the argument t:formdata as part of a Parameter leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality. CVE summarizes:

Manipulating classpath asset file URLs, an attacker could guess the path to a known file in the classpath and have it downloaded. If the attacker found the file with the value of the tapestry.hmac-passphrase configuration symbol, most probably the webapp's AppModule class, the value of this symbol could be used to craft a Java deserialization attack, thus running malicious injected Java code. The vector would be the t:formdata parameter from the Form component.

The weakness was disclosed 09/16/2019 (Website). The advisory is shared for download at lists.apache.org. This vulnerability was named CVE-2019-0195 since 11/14/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Upgrading to version 5.4.5 eliminates this vulnerability.

The entry VDB-141833 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Apache

Name

Tapestry

Version

License

open-source

Website

Vendor: https://www.apache.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tapestry 5.4.5

Timelineinfo

11/14/2018 🔍
09/16/2019 +306 days 🔍
09/17/2019 +1 days 🔍
08/26/2020 +344 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Not defined

CVE: CVE-2019-0195 (🔍)
GCVE (CVE): GCVE-0-2019-0195
GCVE (VulDB): GCVE-100-141832
See also: 🔍

Entryinfo

Created: 09/17/2019 07:25
Updated: 08/26/2020 23:02
Changes: 09/17/2019 07:25 (42), 08/26/2020 23:02 (17)
Complete: 🔍
Cache ID: 216::103

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