Apache Tomcat up to 8.5.31/9.0.9 Connection Reuse race condition

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apache Tomcat up to 8.5.31/9.0.9. The affected element is an unknown function of the component Connection Handler. The manipulation results in race condition (Reuse). This vulnerability was named CVE-2018-8037. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 8.5.31/9.0.9 (Application Server Software). It has been classified as critical. Affected is an unknown code block of the component Connection Handler. The manipulation with an unknown input leads to a race condition vulnerability (Reuse). CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A bug in the tracking of connection closures can lead to reuse of user sessions in a new connection. Versions Affected: Apache Tomcat 9.0.0.M9 to 9.0.9 and 8.5.5 to 8.5.31.

The bug was discovered 07/22/2018. The weakness was presented 08/02/2018 (Website). The advisory is shared for download at mail-archives.us.apache.org. This vulnerability is traded as CVE-2018-8037 since 03/09/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 111068 (Apache Tomcat 8.5.0 < 8.5.32 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 171575 (OpenSUSE Security Update for tomcat (openSUSE-SU-2018:2740-1)).

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 (111068) and SecurityFocus (BID 104894†). See VDB-90449, VDB-91385, VDB-91680 and VDB-91681 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Reuse
Class: Race condition / Reuse
CWE: CWE-362
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: 111068
Nessus Name: Apache Tomcat 8.5.0 < 8.5.32 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

02/13/2018 🔍
03/09/2018 +24 days 🔍
07/13/2018 +126 days 🔍
07/22/2018 +9 days 🔍
07/22/2018 +0 days 🔍
08/02/2018 +10 days 🔍
08/02/2018 +0 days 🔍
08/03/2018 +1 days 🔍
04/29/2023 +1730 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: RHSA-2018:2867
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-8037 (🔍)
GCVE (CVE): GCVE-0-2018-8037
GCVE (VulDB): GCVE-100-122568

OVAL: 🔍

SecurityFocus: 104894 - Apache Tomcat CVE-2018-8037 Information Disclosure Vulnerability
SecurityTracker: 1041376

See also: 🔍

Entryinfo

Created: 08/03/2018 07:36
Updated: 04/29/2023 14:08
Changes: 08/03/2018 07:36 (73), 03/13/2020 08:18 (7), 04/29/2023 14:08 (5)
Complete: 🔍
Cache ID: 216::103

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