Security Bulletin: A GSKit vulnerability affects IBM Security SiteProtector System (CVE-2015-0138)

Summary

GSKit is an IBM component that is used by IBM Security SiteProtector System. The GSKit that is shipped with SiteProtector contains a security vulnerability known as “FREAK: Factoring Attack on RSA-EXPORT keys", a TLS/SSL client and server vulnerability. IBM Security SiteProtector System has addressed the applicable CVE.

Vulnerability Details

CVEID: CVE-2015-0138

DESCRIPTION: A vulnerability in various IBM SSL/TLS implementations could allow a remote attacker to downgrade the security of certain SSL/TLS connections. An IBM SSL/TLS client implementation could accept the use of an RSA temporary key in a non-export RSA key exchange ciphersuite. This could allow a remote attacker using man-in-the-middle techniques to facilitate brute-force decryption of TLS/SSL traffic between vulnerable clients and servers.

This vulnerability is also known as the FREAK attack.

CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/#/vulnerabilities/100691 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Affected Products and Versions

IBM Security SiteProtector System 3.0, 3.1.0 and 3.1.1

Remediation/Fixes

You should verify applying this fix does not cause any compatibility issues.

Apply the appropriate eXPress Updates (XPUs) as identified in the SiteProtector Console Agent view:

For SiteProtector 3.0:
SiteProtector Core Component: ServicePack3_0_0_7.xpu
Event Collector Component: RSEvntCol_WINNT_ST_3_0_0_6.xpu
Agent Manager Component: AgentManager_WINNT_XXX_ST_3_0_0_37.xpu

For SiteProtector 3.1.0:
SiteProtector Core Component: ServicePack3_1_0_4.xpu
Event Collector Component: RSEvntCol_WINNT_ST_3_1_0_4.xpu
Agent Manager Component: AgentManager_WINNT_XXX_ST_3_0_0_19.xpu

For SiteProtector 3.1.1:
SiteProtector Core Component: ServicePack3_1_1_2.xpu
Event Collector Component: RSEvntCol_WINNT_ST_3_1_1_2.xpu
Agent Manager Component: AgentManager_WINNT_XXX_ST_3_0_0_7.xpu
Update Server Component: UpdateServer_3_1_1_2.pkg
Event Archiver Component: EventArchiver_3_1_1­_2.pkg
Event Archiver Importer Component: EventArchiverImporter_3_1_1_2.zip
Manual Upgrader Component: MU_3_1_1_3.xpu

Workarounds and Mitigations

None