Apache Tomcat up to 9.0.0.M15 Reverse-Proxy Http11InputBuffer.java information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Tomcat up to 9.0.0.M15 and classified as problematic. This vulnerability affects unknown code of the file Http11InputBuffer.java of the component Reverse-Proxy. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2016-8747. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 9.0.0.M15 (Application Server Software). It has been rated as problematic. Affected by this issue is an unknown code of the file Http11InputBuffer.java of the component Reverse-Proxy. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

An information disclosure issue was discovered in Apache Tomcat 8.5.7 to 8.5.9 and 9.0.0.M11 to 9.0.0.M15 in reverse-proxy configurations. Http11InputBuffer.java allows remote attackers to read data that was intended to be associated with a different request.

The bug was discovered 01/16/2017. The weakness was disclosed 03/14/2017 (Website). The advisory is shared for download at svn.apache.org. This vulnerability is handled as CVE-2016-8747 since 10/18/2016. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 99361 (Apache Tomcat 8.5.7 < 8.5.11 nextRequest Information Disclosure), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context c.

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

The vulnerability is also documented in the databases at Tenable (99361) and SecurityFocus (BID 96895†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / 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: 99361
Nessus Name: Apache Tomcat 8.5.7 < 8.5.11 nextRequest Information Disclosure
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800277
OpenVAS Name: Apache Tomcat Reverse Proxy Information Disclosure Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/18/2016 🔍
01/16/2017 +90 days 🔍
01/16/2017 +0 days 🔍
03/13/2017 +56 days 🔍
03/14/2017 +1 days 🔍
03/14/2017 +0 days 🔍
03/14/2017 +0 days 🔍
04/13/2017 +30 days 🔍
10/15/2024 +2742 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: svn.apache.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-8747 (🔍)
GCVE (CVE): GCVE-0-2016-8747
GCVE (VulDB): GCVE-100-97892
SecurityFocus: 96895 - Apache Tomcat CVE-2016-8747 Information Disclosure Vulnerability
OSVDB: - Apache Tomcat Http11InputBuffer.java information disclosure

Entryinfo

Created: 03/14/2017 15:07
Updated: 10/15/2024 22:24
Changes: 03/14/2017 15:07 (70), 09/06/2020 12:15 (7), 10/15/2024 22:24 (27)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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