Vulnerability Note VU#498348

Blue Coat SSL Visibility Appliance contains multiple vulnerabilities

Original Release date: 29 May 2015 | Last revised: 02 Jun 2015

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.

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.

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.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate Updated
Blue Coat SystemsAffected10 Apr 201528 May 2015
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

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

Credit

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

This document was written by Joel Land.

Other Information

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