Blue Coat SSL Visibility Appliance contains multiple vulnerabilities

Overview

Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800, versions 3.6.x to 3.8.3, contain multiple vulnerabilities.

Description

Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800, versions 3.6.x to 3.8.3, contain multiple vulnerabilities.

CWE-352**: Cross-Site Request Forgery (CSRF) -**CVE-2015-2852

Blue Coat SSL Visibility Appliance contains a cross-site request forgery (CSRF) vulnerability. An attacker can perform actions with the same permissions as a victim user, provided the victim has an active session and is induced to trigger the malicious request.

CWE-384**: Session Fixation -**CVE-2015-2853

A user’s session ID is set prior to authentication, and is not invalidated or changed at the time of authentication. An attacker capable of obtaining or setting a session ID can hijack a victim user’s session.

CWE-20**: Improper Input Validation -**CVE-2015-2854

Blue Coat SSL Visibility Appliance does not enforce same origin policy in X-Frame-Options response headers. An attacker can conduct clickjacking attacks via a crafted web page.

CWE-200**: Information Exposure -**CVE-2015-2855

Sensitive cookies do not have either the Secure or HttpOnly flags set. An attacker capable of sniffing network traffic can intercept or manipulate a victim user’s session ID.

The CVSS score reflects CVE-2015-2852. For more information about these issues, see FishNet Security’s write-up.

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Impact

A remote, unauthenticated attacker may be able to obtain another user’s session ID, spoof a victim user’s session, and perform actions with the same permissions of a victim user.

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Solution

Apply an update

Blue Coat has released SSL Visibility version 3.8.4 to address these issues. Refer to the vendor’s security advisory for more details.

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Vendor Information

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Blue Coat Systems __ Affected

Notified: April 10, 2015 Updated: May 28, 2015

Statement Date: May 27, 2015

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

Vendor References

• <https://bto.bluecoat.com/security-advisory/sa96&gt;
• <http://bluecoat.force.com/knowledgebase/articles/Product_Information/000024984&gt;

Addendum

Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800, versions 3.6.x to 3.8.3, are affected.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23498348 Feedback>).

CVSS Metrics

Group	Score	Vector
Base	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P
Temporal	5.3	E:POC/RL:OF/RC:C
Environmental	4.0	CDP:N/TD:M/CR:ND/IR:ND/AR:ND

References

• <https://bto.bluecoat.com/news/ssl-visibility-v3.8.4-released&gt;
• <https://bto.bluecoat.com/security-advisory/sa96&gt;
• <https://fishnetsecurity.com/6labs/blog/vulnerabilities-bluecoat-ssl-visibility-appliances&gt;
• <http://cwe.mitre.org/data/definitions/352.html&gt;
• <http://cwe.mitre.org/data/definitions/384.html&gt;
• <http://cwe.mitre.org/data/definitions/20.html&gt;
• <https://cwe.mitre.org/data/definitions/200.html&gt;
• <https://cwe.mitre.org/data/definitions/79.html&gt;

Acknowledgements

Thanks to Tim MalcomVetter of FishNet Security for reporting this vulnerability.

This document was written by Joel Land.

Other Information

CVE IDs:	CVE-2015-2852, CVE-2015-2853, CVE-2015-2854, CVE-2015-2855
Date Public:	2015-05-29 Date First Published: