Undertow up to 7.1.2 Web Server Header Injection response splitting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Undertow up to 7.1.2. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component Web Server. Performing a manipulation results in response splitting (Header Injection). This vulnerability is identified as CVE-2018-1067. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability was found in Undertow up to 7.1.2. It has been classified as critical. This affects an unknown function of the component Web Server. The manipulation with an unknown input leads to a response splitting vulnerability (Header Injection). CWE is classifying the issue as CWE-113. The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
In Undertow before versions 7.1.2.CR1, 7.1.2.GA it was found that the fix for CVE-2016-4993 was incomplete and Undertow web server is vulnerable to the injection of arbitrary HTTP headers, and also response splitting, due to insufficient sanitization and validation of user input before the input is used as part of an HTTP header value.
The bug was discovered 05/22/2018. The weakness was released 05/21/2018 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2018-1067 since 12/04/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 109390 (RHEL 6 / 7 : JBoss EAP (RHSA-2018:1249)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236749 (Red Hat Update for jboss-ec2-eap package for EAP 7.1.2(RHSA-2018:1249)).
Upgrading to version 7.1.2.CR1 or 7.1.2.GA 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 vulnerability database at Tenable (109390). Entries connected to this vulnerability are available at VDB-112402, VDB-114826 and VDB-133757. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CNA Base Score: 5.4
CNA Vector (Red Hat, Inc.): 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: Header InjectionClass: Response splitting / Header Injection
CWE: CWE-113 / CWE-93 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 109390
Nessus Name: RHEL 6 / 7 : JBoss EAP (RHSA-2018:1249)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Undertow 7.1.2.CR1/7.1.2.GA
Timeline
12/04/2017 🔍04/25/2018 🔍
04/27/2018 🔍
05/21/2018 🔍
05/21/2018 🔍
05/22/2018 🔍
05/22/2018 🔍
03/14/2023 🔍
Sources
Advisory: RHSA-2018:1249Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-1067 (🔍)
GCVE (CVE): GCVE-0-2018-1067
GCVE (VulDB): GCVE-100-118041
See also: 🔍
Entry
Created: 05/22/2018 08:55Updated: 03/14/2023 14:19
Changes: 05/22/2018 08:55 (69), 02/07/2020 17:41 (3), 03/14/2023 14:12 (4), 03/14/2023 14:17 (12), 03/14/2023 14:19 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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