Apache Tomcat up to 9.0.0.M9 ResourceLinkFactory access control

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apache Tomcat up to 6.0.45/7.0.70/8.0.36/8.5.4/9.0.0.M9. The impacted element is an unknown function of the component ResourceLinkFactory. The manipulation results in access control. This vulnerability is known as CVE-2016-6797. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 6.0.45/7.0.70/8.0.36/8.5.4/9.0.0.M9 (Application Server Software). It has been classified as critical. Affected is an unknown code block of the component ResourceLinkFactory. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 10/27/2016 by Security Team with Tomcat Security Team as confirmed advisory (Website). The advisory is available at tomcat.apache.org. This vulnerability is traded as CVE-2016-6797 since 08/12/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 94684 (Amazon Linux AMI : tomcat6 / tomcat7,tomcat8 (ALAS-2016-764)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350919 (Amazon Linux Security Advisory for tomcat6,tomcat7,tomcat8: ALAS-2016-764).

Upgrading to version 6.0.47, 7.0.72, 8.0.37, 8.5.5 or 9.0.0.M10 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94684), SecurityFocus (BID 93940†) and SecurityTracker (ID 1037145†). Similar entries are available at VDB-13383, VDB-13384, VDB-13385 and VDB-13386. 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: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Access control
CWE: CWE-284 / CWE-266
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: 94684
Nessus Name: Amazon Linux AMI : tomcat6 / tomcat7,tomcat8 (ALAS-2016-764)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703720
OpenVAS Name: Debian Security Advisory DSA 3720-1 (tomcat8 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Tomcat 6.0.47/7.0.72/8.0.37/8.5.5/9.0.0.M10

Timelineinfo

08/12/2016 🔍
10/27/2016 +76 days 🔍
10/27/2016 +0 days 🔍
10/28/2016 +1 days 🔍
10/31/2016 +3 days 🔍
11/10/2016 +10 days 🔍
11/11/2016 +1 days 🔍
08/10/2017 +272 days 🔍
09/29/2022 +1876 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: RHSA-2017:0455
Researcher: Security Team
Organization: Tomcat Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6797 (🔍)
GCVE (CVE): GCVE-0-2016-6797
GCVE (VulDB): GCVE-100-93210

OVAL: 🔍

SecurityFocus: 93940 - Apache Tomcat CVE-2016-6797 Security Bypass Vulnerability
SecurityTracker: 1037145

See also: 🔍

Entryinfo

Created: 10/31/2016 16:36
Updated: 09/29/2022 08:40
Changes: 10/31/2016 16:36 (72), 05/21/2019 09:49 (15), 09/29/2022 08:40 (4)
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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