Apache Tomcat up to 7.0.88/8.0.52/8.5.31/9.0.9 WebSocket Client certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apache Tomcat up to 7.0.88/8.0.52/8.5.31/9.0.9 and classified as problematic. This affects an unknown part of the component WebSocket Client. The manipulation leads to certificate validation. This vulnerability is documented as CVE-2018-8034. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 7.0.88/8.0.52/8.5.31/9.0.9 (Application Server Software) and classified as critical. This issue affects an unknown part of the component WebSocket Client. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality. The summary by CVE is:

The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.

The bug was discovered 07/22/2018. The weakness was released 08/01/2018 (Website). It is possible to read the advisory at mail-archives.us.apache.org. The identification of this vulnerability is CVE-2018-8034 since 03/08/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 111066 (Apache Tomcat 7.0.41 < 7.0.90 Multiple Vulnerabilities), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197211 (Ubuntu Security Notification for Tomcat7, Tomcat8 Vulnerabilities (USN-3723-1)).

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 (111066) and SecurityFocus (BID 104895†). Entries connected to this vulnerability are available at VDB-90449, VDB-91385, VDB-91680 and VDB-91681. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Certificate validation
CWE: CWE-295 / CWE-287
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: 111066
Nessus Name: Apache Tomcat 7.0.41 < 7.0.90 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/08/2018 🔍
07/07/2018 +120 days 🔍
07/22/2018 +15 days 🔍
07/22/2018 +0 days 🔍
07/24/2018 +2 days 🔍
08/01/2018 +7 days 🔍
08/01/2018 +0 days 🔍
08/02/2018 +1 days 🔍
10/22/2024 +2273 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: RHSA-2019:0130
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-8034 (🔍)
GCVE (CVE): GCVE-0-2018-8034
GCVE (VulDB): GCVE-100-122531

OVAL: 🔍

SecurityFocus: 104895 - Apache Tomcat CVE-2018-8034 Security Bypass Vulnerability
SecurityTracker: 1041374

See also: 🔍

Entryinfo

Created: 08/02/2018 08:07
Updated: 10/22/2024 04:28
Changes: 08/02/2018 08:07 (72), 03/12/2020 17:52 (6), 04/29/2023 10:47 (5), 10/22/2024 04:28 (25)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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