Security Bulletin: Multiple Security Vulnerabilities fixed in IBM WebSphere Application Server 8.5.5.7

Vulnerability Details

CVEID: CVE-2015-1932
DESCRIPTION: IBM WebSphere Application Server and IBM WebSphere Virtual Enterprise could allow a remote attacker to obtain information that identifies the proxy server software being used.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102970 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

AFFECTED VERSIONS: The following IBM WebSphere Application Server Versions are affected:

Version 8.5 Full Profile

Version 8

Version 7

Version 7 IBM WebSphere Virtual Enterprise on WebSphere Application Server Version 7 and Version 8

Remediation/Fixes: The recommended solution is to apply the Fix Pack or PTF for each named product as soon as practical.

Fix:
Apply an Interim Fix , Fix Pack or PTF containing this APAR PI38403, as noted below:

Note:
By default, the ODR and proxy server will ignore the http.compliance.via custom property and not set the HTTP Via header. A new custom property is being introduced that if set to false will allow the http.compliance.via setting to be honored. The custom property, http.ignore.compliance.via can be set on an ODR or Proxy server.

In the Administrative console, expand Servers>Server Types > On Demand Routers > server_name to open the configuration tab for the server.
Expand On Demand Router settings, click On Demand Router Properties
Under Additional properties, click Custom properties > new.



For IBM WebSphere Application Server Full profile, IBM WebSphere Application Server Hypervisor Edition and IBM WebSphere Virtual Enterprise

For V8.5.0.0 through 8.5.5.6:

Apply Fix Pack 7 (8.5.5.7), or later.

-- OR

Apply the mitigation below

For V8.0.0.0 through 8.0.0.10:

Apply Fix Pack 11 (8.0.0.11), or later.

-- OR

Apply the mitigation below

For V7.0.0.0 through 7.0.0.37:

Apply Fix Pack 39 (7.0.0.39), or later.

-- OR

Apply the mitigation below

For IBM WebSphere Virtual Enterprise using WebSphere Application Server V7.0 and V8.0:

Apply WebSphere Virtual Enterprise Fix Pack 7 (7.0.0.7) or later (targeted to be available 1Q 2016).

-- OR

Apply the mitigation below

Workaround(s): None known

Mitigation(s): Remove the custom property http.compliance.via or set it to false.
To remove the custom property http.compliance.via:

In the Administrative console, expand Servers>Server Types > On Demand Routers > server_name to open the configuration tab for the server.
Expand On Demand Router Properties, click On Demand Router Settings
Under Additional properties, click Custom properties, select the check box next to http.compliance.via property and press the Delete button.

Alternatively, to set the property to false, click on http.compliance.via and change the value of the property to false and press the OK button.


CVEID: CVE-2015-4938
DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to spoof a servlet. An attacker could exploit this vulnerability to persuade the user into entering sensitive information.
CVSS Base Score: 3.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/104415 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:S/C:N/I:P/A:N)

AFFECTED VERSIONS: The following IBM WebSphere Application Server Versions are affected:

Version 8.5 Full Profile and Liberty Profile

Version 8

Version 7

Remediation/Fixes: The recommended solution is to apply the Fix Pack or PTF for each named product as soon as practical.

Fix:
Apply an Interim Fix , Fix Pack or PTF containing this APAR PI37396, as noted below:

For IBM WebSphere Application Server Full profile, IBM WebSphere Application Server Liberty Profile and IBM WebSphere Application Server Hypervisor Edition

For V8.5.0.0 through 8.5.5.6:

Apply Fix Pack 7 (8.5.5.7), or later.

-- OR

Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI37396

For V8.0.0.0 through 8.0.0.10:

Apply Fix Pack 11 (8.0.0.11), or later.

-- OR

Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI37396

For V7.0.0.0 through 7.0.0.37:

Apply Fix Pack 39 (7.0.0.39), or later.

-- OR

Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI37396

Workaround(s): None known
Mitigation(s): None known

Other APARs shipped with 8.5.5.7 are included in the security bulletins below:
PI39833 Security bulletin for IBM HTTP Server Windows Denial of Service
PI42928 Security bulletin for IBM HTTP Server HTTP request smuggling
PI44793 Security bulletin for IBM HTTP Server Stack Buffer overflow
PI44809 Security bulletin for IBM HTTP Server Denial of Service
PI45596 Security bulletin for IBM HTTP Server Denial of Service