Apache Tomcat up to 7.0.78/8.0.44/8.5.15/9.0.0.M21 CORS Filter Cache Poisoning data authenticity

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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apache Tomcat up to 7.0.78/8.0.44/8.5.15/9.0.0.M21. This vulnerability affects unknown code of the component CORS Filter. Such manipulation leads to data authenticity (Cache Poisoning). This vulnerability is listed as CVE-2017-7674. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 7.0.78/8.0.44/8.5.15/9.0.0.M21 (Application Server Software). It has been rated as critical. Affected by this issue is an unknown functionality of the component CORS Filter. The manipulation with an unknown input leads to a data authenticity vulnerability (Cache Poisoning). Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache poisoning in some circumstances.

The bug was discovered 08/10/2017. The weakness was presented 08/11/2017 by Rick (Website). The advisory is available at lists.apache.org. This vulnerability is handled as CVE-2017-7674 since 04/11/2017. 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 vulnerability scanner Nessus provides a plugin with the ID 102587 (Apache Tomcat 7.0.41 < 7.0.79 Cache Poisoning Vulnerability), 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 r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87299 (Apache Tomcat Multiple Vulnerabilities).

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 (102587) and SecurityFocus (BID 100280†). See VDB-92314, VDB-92773, VDB-92782 and VDB-92786 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Cache Poisoning
Class: Data authenticity / Cache Poisoning
CWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 102587
Nessus Name: Apache Tomcat 7.0.41 < 7.0.79 Cache Poisoning Vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53377
OpenVAS Name: Debian Security Advisory DSA 3974-1 (tomcat8 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/11/2017 🔍
07/01/2017 +81 days 🔍
08/10/2017 +40 days 🔍
08/10/2017 +0 days 🔍
08/10/2017 +0 days 🔍
08/11/2017 +1 days 🔍
08/11/2017 +0 days 🔍
08/18/2017 +7 days 🔍
12/15/2022 +1945 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: RHSA-2017:1801
Researcher: Rick Riemer (Rick)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7674 (🔍)
GCVE (CVE): GCVE-0-2017-7674
GCVE (VulDB): GCVE-100-105218

OVAL: 🔍

SecurityFocus: 100280 - Apache Tomcat CVE-2017-7674 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 08/11/2017 09:52
Updated: 12/15/2022 16:02
Changes: 08/11/2017 09:52 (75), 11/06/2019 11:01 (7), 01/08/2021 18:40 (3), 12/15/2022 16:02 (3)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!