Security Bulletin: Vulnerabilities in OpenSSL affects IBM Tivoli Composite Application Manager for Transactions (CVE-2015-3194, CVE-2015-3195, CVE-2015-3196)

Summary

Vulnerabilities in OpenSSL were disclosed on Jan 28, 2016 by openssl.org. OpenSSL 1.0.1s, used by IBM Tivoli Composite Application Manager for Transactions, has addressed these vulnerabilities.

Vulnerability Details

CVE-ID: CVE-2015-3194 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference when verifying certificates via a malformed routine. An attacker could exploit this vulnerability using signature verification routines with an absent PSS parameter to cause any certificate verification operation to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108503 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVE-ID: CVE-2015-3195
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a memory leak in a malformed X509_ATTRIBUTE structure. An attacker could exploit this vulnerability to obtain CMS data and other sensitive information.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108504 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVE-ID: CVE-2015-3196 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a race condition when PSK identity hints are received by a multi-threaded client and the SSL_CTX structure is updated with the incorrect value. An attacker could exploit this vulnerability to possibly corrupt memory and cause a denial of service.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/108505 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM Tivoli Composite Application Manager (ITCAM) for Transactions is affected. ITCAM for Transactions contains multiple sub components (Agents). Only the Internet Service Monitoring component (ISM – Agent code ‘IS’) is affected.

Versions:
· 7.4 – Affected by CVEs (CVE-2015-3194, CVE-2015-3195, CVE-2015-3196)
· 7.3 – Affected by CVEs (CVE-2015-3194, CVE-2015-3195, CVE-2015-3196)

Remediation/Fixes

Product

| VRMF| APAR| Remediation/First Fix
—|—|—|—
7.4.0.1-TIV-CAMIS-IF0003| 7.4.0.1| None| http://www-01.ibm.com/support/docview.wss?rs=0&uid=isg400002582
7.3.0.1-TIV-CAMIS-IF0037| 7.3.0.1| None| http://www-01.ibm.com/support/docview.wss?rs=0&uid=isg400002628

For older versions of IBM Tivoli Composite Application manager for Transactions (eg 7.1 & 7.2), IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

None known