ESB-2017.1911 - [Win][UNIX/Linux] Apache Commons Email: Provide misleading information - Remote/unauthenticated 2017-08-02

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1911
  CVE-2017-9801: Apache Commons Email SMTP header injection vulnerabilty
                               2 August 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Apache Commons Email
Publisher:         The Apache Software Foundation
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Provide Misleading Information -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-9801  

Original Bulletin: 
   http://commons.apache.org/proper/commons-email/security-reports.html

- --------------------------BEGIN INCLUDED TEXT--------------------

CVE-2017-9801: Apache Commons Email SMTP header injection vulnerabilty

Severity: low

Vendor:
The Apache Software Foundation

Versions Affected:
Apache Commons Email 1.0 to 1.4.

Description:
When a call-site passes a subject for an email that contains
line-breaks, the caller can add arbitrary SMTP headers.

Mitigation:
Users should upgrade to Commons Email 1.5.
You can mitigate this vulnerability for older versions of Commons
Email by stripping line-breaks from the subject before passing it to
the setSubject(String) method.

Credit:
This issue was discovered by Adam Williams.

References:
http://commons.apache.org/proper/commons-email/security-reports.html

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=GW1z
-----END PGP SIGNATURE-----

« Back to bulletins