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Related Vulnerabilities: CVE-2014-0160

SecurityCenter is vulnerable to the recently disclosed OpenSSL 'Heartbleed' vulnerability as it bundles the software. The flaw in OpenSSL is due to an out-of-bounds read flaw that is triggered during the handling of TLS heartbeat extensions. This may allow a remote unauthenticated attacker to disclose up to 64k of memory at a time, that can contain sensitive information including secret keys, which would allow decryption of all traffic to and from the server. This affects the HTTPS web interface of SecurityCenter. Note that while the CVSS score is 5.0 (Medium), it typically leads to a considerably more severe impact. Further, Tenable strongly recommends that SecurityCenter and the Tenable Appliance be installed on a subnet that is not Internet addressable.

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SecurityCenter is vulnerable to the recently disclosed OpenSSL 'Heartbleed' vulnerability as it bundles the software. The flaw in OpenSSL is due to an out-of-bounds read flaw that is triggered during the handling of TLS heartbeat extensions. This may allow a remote unauthenticated attacker to disclose up to 64k of memory at a time, that can contain sensitive information including secret keys, which would allow decryption of all traffic to and from the server. This affects the HTTPS web interface of SecurityCenter.

Note that while the CVSS score is 5.0 (Medium), it typically leads to a considerably more severe impact. Further, Tenable strongly recommends that SecurityCenter and the Tenable Appliance be installed on a subnet that is not Internet addressable.

Tenable has created four archives and they correspond to the supported operating systems and architectures. Each archive contains an updated .so file and an install script that will upgrade OpenSSL to 1.0.1h, which is not affected.

To apply the appropriate patch, follow these steps:

Download the appropriate patch to the system hosting SecurityCenter. Files are named OpenSSL-patch--.tgz. We recommend you put it in /tmp or its own folder.
Untar the patch archive, for example: # tar zxf sc4.7.1-rh6-64.tgz
Run the install script: # ./install.sh

The archives are:

SecurityCenter 4.8.1 patches:

File                        md5sum
sc4.8.1-rh6-64.tgz          4ad4fb7bee4546d4c3a59b3ae3da39a6
sc4.8.1-rh6-32.tgz          7a9b66ac070bb322d9eb9127beedab57
sc4.8.1-rh5-64.tgz          003fd53de9d56568d3c29e08c93bcb90
sc4.8.1-rh5-32.tgz          639d867aee00d05f10d71c35ea5683bc

SecurityCenter 4.7.1 patches:

File                        md5sum
sc4.7.1-rh6-64.tgz          0c23ec8403b4f865953eb5aca6248f16
sc4.7.1-rh6-32.tgz          31e802c05658d9e363174cdaca5461ac
sc4.7.1-rh5-64.tgz          d88d8e5842122da166fcb45ccda01233
sc4.7.1-rh5-32.tgz          3e9f009924e692aeae0e795c74b17a2f

SecurityCenter 4.6.2.2 patches:

File                            md5sum
sc4.6.2.2-rh6-64.tgz            4df5e9904c58a881fa01ca5ac6c52dde
sc4.6.2.2-rh6-32.tgz            c014d0258a8af365e5cd609741ea8aab
sc4.6.2.2-rh5-64.tgz            fd160d7edb47a00a015624048b941583
sc4.6.2.2-rh5-32.tgz            ca22c43ca32b9bc6698c3cc2300ef8f7

Note that the original patches included in this advisory have been deprecated in favor of a newer set of patches listed above that fixes additional issues covered in TNS-2014-04.

Which can be downloaded from:

SecurityCenter Download Page (https://support.tenable.com/support-center/index.php?x=&mod_id=160)

To patch the Tenable Appliance please download the file from:

Tenable Appliance Download Page (https://support.tenable.com/support-center/index.php?x=&mod_id=230)

File			md5sum
SC4-ApacheUpgrade.tar.gz   [3dd17e456d34326050d501dac02d4eda]

To apply the patch update, navigate to the Administration tab. Then from the Update Appliance section, click on Choose file, browse to the location where the update file archive was saved, and click on "Apply Update".

Note that the original patch included in this advisory (SC-OpenSSL-patch.tar.gz [c33e5d2bafb5679103384688200dddd3]) has been deprecated in favor of a newer patch that fixes additional issues covered in TNS-2014-04.

If you also deploy Nessus, PVS, or LCE, note that those programs are not affected by this issue. Both Nessus and PVS have plugins that will detect this vulnerability.

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[R8] SecurityCenter Affected by OpenSSL 'Heartbleed' Vulnerability

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