Open-Xchange Security Advisory 2014-01-17

[Martin Braun <martin.braun@xxxxxxxxxxxxxxxx>]

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


Internal reference: 30357 (Bug ID)
Vulnerability type: CWE-80 (Improper Neutralization of Script-Related HTML Tags 
in a Web Page)
Vulnerable version: 7.4.1 and earlier
Vulnerable component: backend
Fixed version: 7.2.2-rev29, 7.4.0-rev24, 7.4.1-rev11
Report confidence: Confirmed
Solution status: Fixed by Vendor
Vendor notification: 2013-12-17
Solution date: 2013-12-23
Public disclosure: 2014-01-17
CVE reference: CVE-2013-7141
CVSSv2: 4.3 
(AV:N/AC:M/Au:N/C:P/I:N/A:N/E:P/RL:U/RC:C/CDP:LM/TD:M/CR:ND/IR:ND/AR:ND)

Vulnerability Details:
Embedding Javascript code with certain "<%" tags can lead to script execution 
within the users context. This vulnerability is exclusive to users using 
Internet Explorer 9 or lower.

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:
Users should update to the latest available patch releases. Users should avoid 
opening E-Mail attachments or files from untrusted sources. Users should avoid 
using outdated versions of Internet Explorer.



Internal reference: 30358 (Bug ID)
Vulnerability type: CWE-80 (Improper Neutralization of Script-Related HTML Tags 
in a Web Page)
Vulnerable version: 7.4.1 and earlier
Vulnerable component: backend
Fixed version: 7.2.2-rev29, 7.4.0-rev24, 7.4.1-rev11
Report confidence: Confirmed
Solution status: Fixed by Vendor
Vendor notification: 2013-12-17
Solution date: 2013-12-23
Public disclosure: 2014-01-17
CVE reference: CVE-2013-7142
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 with certain parameters of oAuth API calls can lead 
to reflected script execution within the users context and a trusted domain.

Risk:
Malicious script code can be executed within a users context. This can lead to 
session hijacking or triggering unwanted actions like sending mail, deleting 
data etc. Also, the user may be lured to untrusted content while still working 
within the context of a trusted domain.

Solution:
Users should update to the latest available patch releases. Users should avoid 
opening hyperlinks from untrusted sources.



Internal reference: 30359 (Bug ID)
Vulnerability type: CWE-36: Absolute Path Traversal
Vulnerable version: 7.4.1 and earlier
Vulnerable component: backend
Fixed version: 7.2.2-rev29, 7.4.0-rev24, 7.4.1-rev11
Report confidence: Confirmed
Solution status: Fixed by Vendor
Vendor notification: 2013-12-17
Solution date: 2013-12-23
Public disclosure: 2014-01-17
CVE reference: CVE-2013-7140
CVSSv2: 7.4 
(AV:N/AC:M/Au:S/C:C/I:N/A:N/E:P/RL:U/RC:C/CDP:MH/TD:H/CR:ND/IR:ND/AR:ND)

Vulnerability Details:
Using forged requests against the CalDAV interface can be used to reveal file 
contents stored at the server system. The SAX builder used to deserialize 
posted XML bodies at the WebDAV interface was used with the default values, 
thus potentially vulnerable against XML external entity attacks (XXE). 

Risk:
Content of the requested file is returned to the attacker. This can be used to 
spy on credentials, configuration or other sensitive data stored at the server.

Solution:
Users should update to the latest available patch releases. The CalDAV 
interface should be disabled until a solution is provided.



Internal reference: 30368 (Bug ID)
Vulnerability type: CWE-80 (Improper Neutralization of Script-Related HTML Tags 
in a Web Page)
Vulnerable version: 7.4.1
Vulnerable component: frontend
Fixed version: 7.4.1-rev7
Report confidence: Confirmed
Solution status: Fixed by Vendor
Vendor notification: 2013-12-18
Solution date: 2013-12-23
Public disclosure: 2014-01-17
CVE reference: CVE-2013-7143
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 with the title of a mail filter rule leads to 
execution of the embedded code. This enables a stored cross-site scripting 
vulnerability that may be used in conjunction with other vulnerabilities or 
social engineering that placed malicious code at the vulnerable location.

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

Solution:
Users should update to the latest available patch releases. Users should not 
grant other users access to their account.