undertow: CVE-2018-1067: HTTP header injection using CRLF with UTF-8 Encoding (incomplete fix of CVE-2016-4993)

Debian Bug report logs - #900323
undertow: CVE-2018-1067: HTTP header injection using CRLF with UTF-8 Encoding (incomplete fix of CVE-2016-4993)

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: undertow: CVE-2018-1067: HTTP header injection using CRLF with UTF-8 Encoding (incomplete fix of CVE-2016-4993)

Date: Tue, 29 May 2018 07:15:33 +0200

Source: undertow
Version: 1.4.3-1
Severity: important
Tags: security upstream
Forwarded: https://issues.jboss.org/browse/UNDERTOW-1302

Hi,

The following vulnerability was published for undertow, the original
CVE-2016-4993 fixed via 1.4.3 upstream was incomplete. No fix
available at the time of writing.

CVE-2018-1067[0]:
| 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.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2018-1067
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1067
[1] https://issues.jboss.org/browse/UNDERTOW-1302

Regards,
Salvatore

Message #10 received at 900323@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: 900323@bugs.debian.org

Cc: 900323-done@bugs.debian.org

Subject: Re: Bug#900323: undertow: CVE-2018-1067: HTTP header injection using CRLF with UTF-8 Encoding (incomplete fix of CVE-2016-4993)

Date: Sun, 3 Jun 2018 21:02:34 +0200

Source: undertow
Source-Version: 1.4.25-1

On Tue, May 29, 2018 at 07:15:33AM +0200, Salvatore Bonaccorso wrote:
> Source: undertow
> Version: 1.4.3-1
> Severity: important
> Tags: security upstream
> Forwarded: https://issues.jboss.org/browse/UNDERTOW-1302
> 
> Hi,
> 
> The following vulnerability was published for undertow, the original
> CVE-2016-4993 fixed via 1.4.3 upstream was incomplete. No fix
> available at the time of writing.
> 
> CVE-2018-1067[0]:
> | 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.

So there is now a bit more information available, and the issue was
already fixed with
https://github.com/undertow-io/undertow/commit/85d4478e598105fe94ac152d3e11e388374e8b86
which is in 1.4.25.Final.

Thus marking the issue as fixed in 1.4.25-1.

Regards,
Salvatore

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