Open-Xchange Security Advisory 2013-11-25

[Martin Braun <martin.braun@xxxxxxxxxxxxxxxx>]

Product: Open-Xchange AppSuite
Vendor: Open-Xchange GmbH

Internal reference: 29648 (Bug ID)
Vulnerability type: CWE-80 (Improper Neutralization of Script-Related HTML Tags 
in a Web Page)
Vulnerable version: 6.22.4 and earlier
Vulnerable component: frontend6
Fixed version: 6.22.3-rev5, 6.22.4-rev12
Report confidence: Confirmed
Solution status: Fixed by Vendor
Vendor notification: 2013-11-05
Solution date: 2013-11-12
Public disclosure: 2013-11-25
CVE reference: CVE-2013-6242
CVSSv2: 5.7 
(AV:N/AC:M/Au:N/C:P/I:N/A:N/E:POC/RL:U/RC:C/CDP:LM/TD:H/CR:ND/IR:ND/AR:ND)

Vulnerability Details:
Embedding JavaScript code within an E-Mail gets executed when using misplaced 
closing TITLE tag at the mail subject, followed by <script> tags.

Risk:
Malicious script code can be executed within a users context. This can lead to 
session hijacking or triggering unwanted actions via the web interface (sending 
mail, deleting data etc.). This affects users of the OX6 UI, AppSuite UI is not 
affected.

Solution:
Service providers should update to the latest available patch releases. Users 
should avoid opening E-Mail attachments from untrusted sources. Users may 
disable presentation of HTML E-Mail within the browser.


Internal reference: 29642 (Bug ID)
Vulnerability type: CWE-80 (Improper Neutralization of Script-Related HTML Tags 
in a Web Page)
Vulnerable version: 7.4.0 and earlier
Vulnerable component: backend
Fixed version: 7.2.2-rev27, 7.4.0-rev20
Report confidence: Confirmed
Solution status: Fixed by Vendor
Vendor notification: 2013-11-05
Solution date: 2013-11-12
Public disclosure: 2013-11-25
CVE reference: CVE-2013-6242
CVSSv2: 5.7 
(AV:N/AC:M/Au:N/C:P/I:N/A:N/E:POC/RL:U/RC:C/CDP:LM/TD:H/CR:ND/IR:ND/AR:ND)

Vulnerability Details:
Embedding JavaScript code within an E-Mail gets executed when using the META 
tag at the mail body, for example using the "refresh" action to load a base64 
encoded JS string as content.

Risk:
Malicious script code can be executed within a users context. This can lead to 
session hijacking or triggering unwanted actions via the web interface (sending 
mail, deleting data etc.). This affects users of the OX6 UI, AppSuite UI is not 
affected.

Solution:
Service providers should update to the latest available patch releases. Users 
should avoid accessing E-Mail from untrusted sources. Users may disable 
presentation of HTML E-Mail within the browser.



Internal reference: 29412 (Bug ID)
Vulnerability type: CWE-80 (Improper Neutralization of Script-Related HTML Tags 
in a Web Page)
Vulnerable version: 7.4.0 and earlier
Vulnerable component: backend
Fixed version: 7.2.2-rev26, 7.4.0-rev16
Report confidence: Confirmed
Solution status: Fixed by Vendor
Vendor notification: 2013-10-22
Solution date: 2013-10-30
Public disclosure: 2013-11-25
CVE reference: CVE-2013-6242
CVSSv2: 5.7 
(AV:N/AC:M/Au:N/C:P/I:N/A:N/E:POC/RL:U/RC:C/CDP:LM/TD:H/CR:ND/IR:ND/AR:ND)

Vulnerability Details:
Embedding JavaScript code within a URL parameter to access publications, 
triggering a reflected XSS vulnerability. The cause for this is an error 
response that contains the originally requested publication name, in this case 
a piece of JavaScript code.

Risk:
Malicious script code can be executed within a users context. This can lead to 
session hijacking or triggering unwanted actions via the web interface (sending 
mail, deleting data etc.)

Solution:
Service providers should update to the latest available patch releases. Users 
should avoid opening E-Mail attachments and links from untrusted sources.