Security Bulletin: Vulnerabilities in OpenSSL affect IBM Aspera Enterprise Server, IBM Aspera Connect Server, IBM Aspera Point to Point Client, IBM Aspera Desktop Client and IBM Aspera Connect Browser Plugin (CVE-2016-2106, CVE-2016-2109, CVE-2016-2176)

Security Bulletin

Summary

OpenSSL vulnerabilities were disclosed on May 3, 2016 by the OpenSSL Project. OpenSSL is used by IBM Aspera Enterprise Server, IBM Aspera Connect Server, IBM Aspera Point to Point Client, IBM Aspera Desktop Client and IBM Aspera Connect Browser Plugin.

The above mentioned products have addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2016-2106

DESCRIPTION: OpenSSL is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the EVP_EncryptUpdate() function. By sending an overly long argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112856 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2016-2109
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a memory allocation error. By reading specially crafted ASN.1 data from a BIO using functions such as d2i_CMS_bio(), an attacker could exploit this vulnerability to consume all available resources and exhaust memory.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112857 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)

CVEID: CVE-2016-2176
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, By sending an overly long ASN.1 string to the X509_NAME_oneline() function, an attacker could exploit this vulnerability to return arbitrary stack data in the buffer.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112858 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)

Affected Products and Versions

IBM Aspera Enterprise Server 3.6.0 or earlier

IBM Aspera Connect for Web Access 3.6.0 or earlier

IBM Aspera Desktop Client 3.6.0 or earlier

IBM Aspera Point to Point Client 3.6.0 or earlier

IBM Aspera Connect Browser Plug in 3.6.6 or earlier

Remediation/Fixes

Upgrade to the followings from our download site: http://downloads.asperasoft.com/

IBM Aspera Enterprise Server 3.6.1 or later

IBM Aspera Connect for Web Access 3.6.1 or later

IBM Aspera Desktop Client 3.6.1 or later

IBM Aspera Point to Point Client 3.6.1 or later

IBM Aspera Connect Browser Plug in 3.7.0 or later

*Please note that IBM Aspera Connect Browser Plug ins use of openssl is internal and has very limited exposure to any of the vulnerabilities.

For unsupported versions of IBM Aspera Enterprise Server, IBM Aspera Connect Server, IBM Aspera Point to Point Client, IBM Aspera Desktop Client and IBM Aspera Connect Browser Plugin, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

None

References

Complete CVSS v3 Guide

On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

15 September, 2016: Original Version Published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

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