Message-ID: <31df7fbf-458d-cbbd-a51b-e6a3e5ba3d63@beccati.com>
Date: Tue, 31 Jan 2017 10:34:02 +0100
From: Matteo Beccati <matteo@...cati.com>
To: bugtraq@...urityfocus.com, fulldisclosure@...lists.org
Subject: [FD] [REVIVE-SA-2017-001] Revive Adserver - Multiple vulnerabilities

========================================================================
Revive Adserver Security Advisory                     REVIVE-SA-2017-001
========================================================================
http://www.revive-adserver.com/security/revive-sa-2017-001
========================================================================
CVE-IDs:               TBA
Date:                  2017-01-31
Risk Level:            High
Applications affected: Revive Adserver
Versions affected:     <= 4.0.0
Versions not affected: >= 4.0.1
Website:               http://www.revive-adserver.com/
========================================================================


========================================================================
Vulnerability 1 - Deserialization of Untrusted Data
========================================================================
CVE-ID: TBA
CWE-ID: CWE-502

CVSSv3 Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSSv3 Base Score: 9.8
CVSSv3 Temporal Score: 8.5
========================================================================

HackerOne user Nicolas Grégoire - Agarri has reported that Revive
Adserver was unserializing untrusted data submitted via cookies in the
delivery scripts. An attacker could use such vector to either perform
generic RCE attacks (e.g. when a vulnerable PHP version is being used)
or, potentially, application-specific attacks.


References
==========
https://cwe.mitre.org/data/definitions/502.html
https://github.com/revive-adserver/revive-adserver/commit/05bb9f4d
https://github.com/revive-adserver/revive-adserver/commit/a51ee668


========================================================================
Vulnerability 2 - Session Fixation
========================================================================
CVE-ID: TBA
CWE-ID: CWE-384

CVSSv3 Vector CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
CVSSv3 Base Score: 5.9
CVSSv3 Temporal Score: 5.2
========================================================================

HackerOne user pavanw3b has reported that Revive Adserver wasn't
properly invalidating the current session when setting a new password
via the forgot password mechanism. This could allow attackers having
access to the session ID to keep the authenticated session alive.

References
==========

https://cwe.mitre.org/data/definitions/384.html
https://github.com/revive-adserver/revive-adserver/commit/b088012e


========================================================================
Vulnerability 3 - Persistent XSS
========================================================================
CVE-ID: TBA
CWE-ID: CWE-79

CVSSv3 Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C
CVSSv3 Base Score: 4.2
CVSSv3 Temporal Score: 3.7
========================================================================

HackerOne user pavanw3b has reported that Revive Adserver was vulnerable
to a persistent XSS attack: an authenticated user could set their own
email address to a specifically crafted string which was then displayed
without proper escaping in the context of other users (e.g. the
administrator user), giving them an opportunity to steal a session with
elevated privileges.

References
==========

https://cwe.mitre.org/data/definitions/75.html
https://github.com/revive-adserver/revive-adserver/commit/0b311d3f


========================================================================
Vulnerability 4 - Reflected XSS
========================================================================
CVE-ID: TBA
CWE-ID: CWE-79

CVSSv3 Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C
CVSSv3 Base Score: 4.2
CVSSv3 Temporal Score: 3.7
========================================================================

HackerOne user pavanw3b has reported that Revive Adserver was vulnerable
to a reflected XSS attack: several of the parameters used in the
invocation code generation for interstitial zones weren't properly
escaped when displayed.

References
==========

https://cwe.mitre.org/data/definitions/79.html
https://github.com/revive-adserver/revive-adserver/commit/f2f64d94


========================================================================
Solution
========================================================================

We strongly advise people to upgrade to the most recent 4.0.1
release of Revive Adserver, including those running OpenX Source or
older versions of the application.


========================================================================
Contact Information
========================================================================

The security contact for Revive Adserver can be reached at:
<security AT revive-adserver DOT com>.

Please review http://www.revive-adserver.com/security/ before doing so.


-- 
Matteo Beccati
On behalf of the Revive Adserver Team
http://www.revive-adserver.com/


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