CVE-2018-1067: CRLF Injection
First published: Thu Mar 01 2018(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Undertow | <1.4.25 | |
| Redhat Undertow | >=2.0.0<2.0.5 | |
| Redhat Jboss Enterprise Application Platform | =7.1 | |
| Redhat Enterprise Linux | =6.0 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Virtualization Host | =4.0 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2018:1247
- https://access.redhat.com/errata/RHSA-2018:1248
- https://access.redhat.com/errata/RHSA-2018:1249
- https://access.redhat.com/errata/RHSA-2018:1251
- https://access.redhat.com/errata/RHSA-2018:2643
- https://access.redhat.com/errata/RHSA-2019:0877
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1067
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1592646
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1592647
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1592645
- https://access.redhat.com/errata/RHSA-2020:2562
- https://bugzilla.redhat.com/show_bug.cgi?id=1550671
Frequently Asked Questions
What is CVE-2018-1067?
CVE-2018-1067 is a vulnerability in Undertow web server that allows for the injection of arbitrary HTTP headers and response splitting.
What versions of Undertow are affected by CVE-2018-1067?
Undertow versions before 7.1.2.CR1 and 7.1.2.GA are affected by CVE-2018-1067.
What is the severity of CVE-2018-1067?
CVE-2018-1067 has a severity rating of 6.1 (medium).
How can I fix CVE-2018-1067?
To fix CVE-2018-1067, update Undertow web server to version 7.1.2.CR1 or 7.1.2.GA.
Where can I find more information about CVE-2018-1067?
You can find more information about CVE-2018-1067 at the following references: - https://access.redhat.com/errata/RHSA-2018:1248 - https://access.redhat.com/errata/RHSA-2018:1247 - https://access.redhat.com/errata/RHSA-2018:1249
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