Apache Struts up to 2.3.30 Convention Plugin path traversal

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apache Struts up to 2.3.30. This impacts an unknown function of the component Convention Plugin. Such manipulation leads to path traversal. This vulnerability is traded as CVE-2016-6795. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apache Struts up to 2.3.30 (Programming Tool Software). It has been rated as very critical. Affected by this issue is an unknown code block of the component Convention Plugin. 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:

In the Convention plugin in Apache Struts 2.3.20 through 2.3.30, it is possible to prepare a special URL which will be used for path traversal and execution of arbitrary code on server side.

The bug was discovered 10/18/2016. The weakness was shared 09/20/2017 by Takeshi Terada with Mitsui Bussan Secure Directions (Website). The advisory is available at struts.apache.org. This vulnerability is handled as CVE-2016-6795 since 08/12/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/13/2021). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 94336 (Apache Struts 2.3.1 < 2.3.31 / 2.5.x < 2.5.5 Convention Plugin Path Traversal RCE (S2-042)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context c.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94336) and SecurityFocus (BID 93773†). The entry VDB-106875 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94336
Nessus Name: Apache Struts 2.3.1 < 2.3.31 / 2.5.x < 2.5.5 Convention Plugin Path Traversal RCE (S2-042)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 803838
OpenVAS Name: Apache Struts Convention Plugin Path Traversal Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/12/2016 🔍
10/05/2016 +54 days 🔍
10/18/2016 +13 days 🔍
10/18/2016 +0 days 🔍
10/27/2016 +9 days 🔍
09/20/2017 +328 days 🔍
09/20/2017 +0 days 🔍
09/20/2017 +0 days 🔍
01/13/2021 +1211 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: struts.apache.org
Researcher: Takeshi Terada
Organization: Mitsui Bussan Secure Directions
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6795 (🔍)
GCVE (CVE): GCVE-0-2016-6795
GCVE (VulDB): GCVE-100-106874
SecurityFocus: 93773 - Apache Struts CVE-2016-6795 Directory Traversal Vulnerability

See also: 🔍

Entryinfo

Created: 09/20/2017 23:15
Updated: 01/13/2021 14:15
Changes: 09/20/2017 23:15 (55), 11/18/2019 07:16 (14), 01/13/2021 14:15 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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