The libxml2 packages provide a library that allows you to manipulate XML files. It includes support to read, modify, and write XML and HTML files.
A denial of service flaw was found in the way libxml2 processes certain content. If an application linked against libxml2, processes malformed XML content, it could cause the application to stop responding. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2007-6284 to this issue.
More information about these vulnerabilities can be found in the security advisory issued by RedHat Linux:
| Product: | Affected Version(s): | Risk Level: | Actions: |
|---|---|---|---|
| Avaya Communication Manager | 2.x, 3.0, 5.0 | Low | Upgrade to CM 5.1 or later. |
| Avaya Intuity AUDIX LX | All | Low | This will not be addresssed as no further releases are planned. |
| Avaya EMMC | 1.0.21 | Low | This will not be addresssed as no further releases are planned. |
| Avaya Messaging Storage Server | All | Low | See recommended actions below. This issue will be addressed in accordance with Avaya's Product Security Vulnerability Response Policy |
| Avaya Message Networking | All | Low | See recommended actions below. This issue will be addressed in accordance with Avaya's Product Security Vulnerability Response Policy |
| Avaya SIP Enablement Services | 5.0 and earlier | Low | Upgrade to SES 5.1 or later. |
| Avaya AES | 3.1.4 and earlier, 4.0 thru 4.2.1 | Low | Customers running AES 3.1.4 and earlier should upgrade to AES 3.1.5.
Customers running AES 4.0 thru 4.2.1 should upgrade to AES 4.2.2 ot later. |
Recommended Actions:
For all system products which use
vulnerable versions of
libxml2, Avaya recommends that customers restrict local
and network access to the server. This restriction should be
enforced through the use of physical security, firewalls, ACLs,
VPNs, and other generally-accepted networking practices until such
time as an update becomes available and can be installed.
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: |
|---|---|
| CVLAN | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the CVLAN application. |
| Avaya Integrated Management Suite (IMS) | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the IMS application. |
| Voice Portal | Depending on the Operating System provided by customers, the affected package may be installed on the underlying Operating System supporting the Voice Portal application. |
Recommended Actions:
In the event that the affected package
is installed, Avaya recommends that customers follow recommended actions
supplied by RedHat 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 - February 1, 2008 - Initial Statement issued.
V 2.0 - September 9, 2008 - Changed CM, SES, and AES recommended
actions.
V 3.0 - June 23, 2009 - Changed AES affected versions and EMMC, IALX and
AES actions.
Send information regarding any discovered security problems with Avaya products to either the contact noted in the product's documentation or [email protected].
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