Facebook Google Plus Twitter LinkedIn YouTube RSS Menu Search Resource - BlogResource - WebinarResource - ReportResource - Eventicons_066 icons_067icons_068icons_069icons_070

[R7] OpenSSL '20150611' Advisory Affects Tenable Products

High
← View More Security Advisories

Synopsis

Nessus and SecurityCenter are potentially impacted by several vulnerabilities in OpenSSL that were recently disclosed and fixed. Note that due to the time involved in doing a full analysis of each issue, Tenable has opted to patch the included version of OpenSSL as a precaution, and to save time.

  • CVE-2015-1788 - OpenSSL crypto/bn/bn_gf2m.c BN_GF2m_mod_inv() Function ECParameters Structure Binary Polynomial Field Parsing Infinite Loop Remote DoS
  • CVE-2015-1789 - OpenSSL crypto/x509/x509_vfy.c X509_cmp_time() Function ASN1_TIME String Handling Out-of-bounds Read Issue
  • CVE-2015-1790 - OpenSSL crypto/pkcs7/pk7_doit.c PKCS7_dataDecode() Function ASN.1-encoded PKCS#7 Blob Handling NULL Pointer Dereference Remote DoS
  • CVE-2015-1792 - OpenSSL signedData Message Unknown Hash Function Processing Infinte Loop Remote DoS
  • CVE-2014-8176 - OpenSSL DTLS Application Data Buffering Invalid Free Remote Memory Corruption

Upon further inspection, Nessus is not affected by CVE-2015-1790, CVE-2015-1792, and CVE-2014-8176. Note that the CVSS score in this advisory reflects the highest risk of the issues included.

Please note that Tenable strongly recommends that Nessus and SecurityCenter be installed on a subnet that is not Internet addressable.

Solution

Nessus

Tenable has released versions 5.2.12 and 6.4 that correspond to the supported operating systems and architectures. This version bundles the updated OpenSSL library (1.0.0s or 1.0.1n), which is not affected.

To update your Nessus installation, follow these steps:

SecurityCenter

Tenable has released patches for supported versions of SecurityCenter. This version integrates an updated OpenSSL library (1.0.1o) that fixes the issues listed above. The patch can be obtained from:

https://support.tenable.com/support-center/index.php?x=&mod_id=160

File                    md5sum
SC-201506.2-rh5-32.tgz  f5ae7d8d02dc7211a82cb727918baae6 
SC-201506.2-rh5-64.tgz  292726fb9abbae19428821c29530737b 
SC-201506.2-rh6-32.tgz  d2297a7b948c943f43c5f05f13038198 
SC-201506.2-rh6-64.tgz  b43a116c22e3107f3cc94afb6396f07a

Additional References

https://www.openssl.org/news/secadv_20150611.txt

This page contains information regarding security vulnerabilities that may impact Tenable's products. This may include issues specific to our software, or due to the use of third-party libraries within our software. Tenable strongly encourages users to ensure that they upgrade or apply relevant patches in a timely manner.

Tenable takes product security very seriously. If you believe you have found a vulnerability in one of our products, we ask that you please work with us to quickly resolve it in order to protect customers. Tenable believes in responding quickly to such reports, maintaining communication with researchers, and providing a solution in short order.

For more details on submitting vulnerability information, please see our Vulnerability Reporting Guidelines page.

If you have questions or corrections about this advisory, please email [email protected]

Risk Information

Tenable Advisory ID: TNS-2015-07
Risk Factor: High
CVSSv2 Base / Temporal Score
8.5 / 6.3
CVSSv2 Vector:
(AV:N/AC:L/Au:N/C:P/I:N/A:C/E:U/RL:OF/RC:C)

Affected Products

Nessus: 5.2.0, 5.2.10, 6.0, 6.3.7
Nessus Agents: 6.3, 6.3.7
Security Center: 4.6.2.2, 4.7.0, 4.7.1, 4.8.0, 4.8.1, 4.8.2, 5.0.0.1

Disclosure Timeline

2015-06-11 - OpenSSL Upgrade Available
2015-06-30 - Tenable Nessus Upgrade Available

Advisory Timeline

2015-06-30 - [R1] Initial release
2015-07-07 - [R2] Clarified products
2015-07-14 - [R3] SecurityCenter information added
2015-11-20 - [R4] Note that Nessus is not impacted by 3 of the CVE
2016-03-03 - [R5] Title standardization
2016-11-16 - [R6] Adjusted CVSSv2 score
2017-02-28 - [R7] Adjust CVSS for worst-case scenario (AV:A -> AV:N)
Try for free Buy now

Tenable Vulnerability Management

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.

Your Tenable Vulnerability Management trial also includes Tenable Lumin and Tenable Web App Scanning.

Tenable Vulnerability Management

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.

100 assets

Choose your subscription option:

Buy Now
Try for free Buy now

Tenable Vulnerability Management

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.

Your Tenable Vulnerability Management trial also includes Tenable Lumin and Tenable Web App Scanning.

Tenable Vulnerability Management

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.

100 assets

Choose your subscription option:

Buy Now
Try for free Buy now

Tenable Vulnerability Management

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.

Your Tenable Vulnerability Management trial also includes Tenable Lumin and Tenable Web App Scanning.

Tenable Vulnerability Management

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.

100 assets

Choose your subscription option:

Buy Now
Try for free Buy now

Try Tenable Web App Scanning

Enjoy full access to our latest web application scanning offering designed for modern applications as part of the Tenable One Exposure Management platform. Safely scan your entire online portfolio for vulnerabilities with a high degree of accuracy without heavy manual effort or disruption to critical web applications. Sign up now.

Your Tenable Web App Scanning trial also includes Tenable Vulnerability Management and Tenable Lumin.

Buy Tenable Web App Scanning

Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.

5 FQDNs

$3,578

Buy Now

Try for free Contact sales

Try Tenable Lumin

Visualize and explore your exposure management, track risk reduction over time and benchmark against your peers with Tenable Lumin.

Your Tenable Lumin trial also includes Tenable Vulnerability Management and Tenable Web App Scanning.

Buy Tenable Lumin

Contact a sales representative to see how Tenable Lumin can help you gain insight across your entire organization and manage cyber risk.

Request a demo of Tenable Security Center

Please fill out this form with your contact information.

A sales representative will contact you shortly to schedule a demo.

* Field is required

Request a demo of Tenable OT Security

Get the Operational Technology security you need.

Reduce the risk you don’t.

Request a demo of Tenable Identity Exposure

Continuously detect and respond to Active Directory attacks. No agents. No privileges.

On-prem and in the cloud.

Request a demo of Tenable Cloud Security

Exceptional unified cloud security awaits you!

We’ll show you exactly how Tenable Cloud Security helps you deliver multi-cloud asset discovery, prioritized risk assessments and automated compliance/audit reports.

See
Tenable One
in action

Exposure management for the modern attack surface.

See Tenable Attack Surface Management in action

Know the exposure of every asset on any platform.

Get a demo of Tenable Enclave Security

Please fill out the form with your contact information and a sales representative will contact you shortly to schedule a demo.

Try for free Buy now

Try Tenable Nessus Professional free

Free for 7 days

Tenable Nessus is the most comprehensive vulnerability scanner on the market today.

NEW - Tenable Nessus Expert
now available

Nessus Expert adds even more features, including external attack surface scanning, and the ability to add domains and scan cloud infrastructure. Click here to Try Nessus Expert.

Fill out the form below to continue with a Nessus Pro trial.

Buy Tenable Nessus Professional

Tenable Nessus is the most comprehensive vulnerability scanner on the market today. Tenable Nessus Professional will help automate the vulnerability scanning process, save time in your compliance cycles and allow you to engage your IT team.

Buy a multi-year license and save. Add Advanced Support for access to phone, community and chat support 24 hours a day, 365 days a year.

Select your license

Buy a multi-year license and save.

Add support and training
Buy Now
Renew an existing license Find a reseller
Try for free Buy now

Try Tenable Nessus Expert free

Free for 7 days.

Built for the modern attack surface, Nessus Expert enables you to see more and protect your organization from vulnerabilities from IT to the cloud.

Already have Tenable Nessus Professional?
Upgrade to Nessus Expert free for 7 days.

Buy Tenable Nessus Expert

Built for the modern attack surface, Nessus Expert enables you to see more and protect your organization from vulnerabilities from IT to the cloud.

Select your license

Buy a multi-year license and save more.

Add support and training
Buy Now
Renew an existing license Find a reseller