OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL), Transport Layer Security (TLS), and Datagram Transport Layer Security (DTLS) protocols, as well as a full-strength, general purpose cryptography library.
This update adds support for the TLS Fallback Signaling Cipher Suite Value (TLS_FALLBACK_SCSV), which can be used to prevent protocol downgrade attacks against applications which re-connect using a lower SSL/TLS protocol version when the initial connection indicating the highest supported protocol version fails.
This can prevent a forceful downgrade of the communication to SSL 3.0. The SSL 3.0 protocol was found to be vulnerable to the padding oracle attack when using block cipher suites in cipher block chaining (CBC) mode. This issue is identified as CVE-2014-3566, and also known under the alias POODLE. This SSL 3.0 protocol flaw will not be addressed in a future update.
For additional information about this flaw, see the Knowledgebase article at https://access.redhat.com/articles/1232123
A memory leak flaw was found in the way OpenSSL parsed the DTLS Secure Real-time Transport Protocol (SRTP) extension data. A remote attacker could send multiple specially crafted handshake messages to exhaust all available memory of an SSL/TLS or DTLS server. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2014-3513 to this issue.
A memory leak flaw was found in the way an OpenSSL handled failed session ticket integrity checks. A remote attacker could exhaust all available memory of an SSL/TLS or DTLS server by sending a large number of invalid session tickets to that server. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2014-3567 to this issue.
More information about these vulnerabilities can be found in the security advisory issued by Red Hat:
| Product: | Affected Version(s): | Risk Level: | Actions: |
|---|---|---|---|
| Avaya CMS | R17 through R17 R3 | Medium | Upgrade to R17 R4 or later. |
| Avaya Breeze™ Platform | 2.x, 3.0 through 3.0SP3 | Medium | For 2.x, upgrade to 3.1 and install SP1 or later. For 3.0, upgrade to 3.0 SP4 or later. |
| Avaya Aura® Conferencing | 8.0, 8.0 SP1 | Medium | Upgrade to 8.0 SP2 or later. |
| Avaya Aura® Experience Portal | 6.0 through 6.0.3, 7.0, 7.0.1 | Medium |
For EP 6.x, install the Avaya Aura® Experience Portal - Disabling SSLv3 patch for 6.x. For EP 7.x, install the Avaya Aura® Experience Portal - Disabling SSLv3 patch for 7.x. |
| Avaya IP Office Server Edition | 8.1, 9.0 through 9.1 | Medium | For 8.1, upgrade to 9.1 and install SP1 or later. For 9.1, install SP1 or later. |
| Avaya IP Office Application Server | 9.0 through 9.1 | Medium | Upgrade to 9.1 SP1 or later. |
| Avaya one-X® Client Enablement Services | 6.2 through 6.2 SP3 | Medium | Upgrade to 6.2 SP4 or later. |
| Avaya Aura® Session Manager | 6.3.0 through 6.3.12 | Medium | Upgrade to 6.3.13 or later. |
Recommended Actions for System Products:
Avaya strongly recommends following networking and
security best practices by implementing firewalls, ACLs,
physical security or other appropriate access restrictions.
Though Avaya believes such restrictions should always be in
place, risk to Avaya products and the surrounding network
from this potential vulnerability may be mitigated by
ensuring these practices are implemented until such time as
an Avaya provided product update or the recommended Avaya
action is applied.
Further restrictions as deemed necessary based on the
customer's security policies may be required during this
interim period, but the System Product operating system or
application should not be modified unless the change is
approved by Avaya. Making changes that are not approved may
void the Avaya product service contract.
When determining risk, Avaya takes into account many factors as outlined by Avaya's Security Vulnerability Classification Policy. The following table describes factors that mitigate the risk of specific vulnerabilities for affected Avaya products:
| Vulnerability | Mitigating Factors |
|---|---|
|
CVE-2014-3513 CVE-2014-3567 |
The risk is rated Medium for all products because the exploit require large amounts of time and resources, but may allow a man-in-the-middle attacker to decrypt sensitive data over SSLv3 connections. |
Avaya software-only products operate on general-purpose operating systems. Occasionally vulnerabilities may be discovered in the underlying operating system or applications that come with the operating system. These vulnerabilities often do not impact the software-only product directly but may threaten the integrity of the underlying platform.
In the case of this advisory Avaya software-only products are not affected by the vulnerability directly but the underlying Linux platform may be. Customers should determine on which Linux operating system the product was installed and then follow that vendor's guidance.
| Product: | Actions: |
|---|---|
| Avaya Aura® Experience Portal | Depending on the Operating System installed, the affected package may be installed on the underlying Operating System supporting the EP application. |
Recommended Actions for Software-Only Products:
In the event that the affected package is installed, Avaya recommends following recommended actions supplied by Red Hat regarding their Enterprise Linux.
Additional information may also be available via the Avaya support website and through your Avaya account representative. Please contact your Avaya product support representative, or dial 1-800-242-2121, with any questions.
ALL INFORMATION IS BELIEVED TO BE CORRECT AT THE TIME OF PUBLICATION AND IS PROVIDED "AS IS". AVAYA INC., ON BEHALF ITSELF AND ITS SUBSIDIARIES AND AFFILIATES (HEREINAFTER COLLECTIVELY REFERRED TO AS "AVAYA"), DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND FURTHERMORE, AVAYA MAKES NO REPRESENTATIONS OR WARRANTIES THAT THE STEPS RECOMMENDED WILL ELIMINATE SECURITY OR VIRUS THREATS TO CUSTOMERS' SYSTEMS. IN NO EVENT SHALL AVAYA BE LIABLE FOR ANY DAMAGES WHATSOEVER ARISING OUT OF OR IN CONNECTION WITH THE INFORMATION OR RECOMMENDED ACTIONS PROVIDED HEREIN, INCLUDING DIRECT, INDIRECT, INCIDENTAL, STATUTORY, CONSEQUENTIAL DAMAGES, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF AVAYA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
THE INFORMATION PROVIDED HERE DOES NOT AFFECT THE SUPPORT AGREEMENTS IN PLACE FOR AVAYA PRODUCTS. SUPPORT FOR AVAYA PRODUCTS CONTINUES TO BE EXECUTED AS PER EXISTING AGREEMENTS WITH AVAYA.
V 1.0 - October 22, 2014 - Initial Statement issued.
V 2.0 - February 5, 2015 - Updated CMS, Conferencing and EP affected versions and actions.
V 3.0 - June 26, 2015 - Updated SM affected versions and actions.
V 4.0 - February 17, 2017 - Updated CE, IP Office and CES along with SM affected versions and actions and set the status as Final.
Avaya customers or Business Partners should report any security issues found with Avaya products via the standard support process.
Independent security researchers can contact Avaya at
securityalerts@avaya.com.
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