CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
Percentile
77.7%
Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800, versions 3.6.x to 3.8.3, contain multiple vulnerabilities.
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.
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.
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.
498348
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Notified: April 10, 2015 Updated: May 28, 2015
Statement Date: May 27, 2015
Affected
We have not received a statement from the vendor.
We are not aware of further vendor information regarding this vulnerability.
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>).
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 |
Thanks to Tim MalcomVetter of FishNet Security for reporting this vulnerability.
This document was written by Joel Land.
CVE IDs: | CVE-2015-2852, CVE-2015-2853, CVE-2015-2854, CVE-2015-2855 |
---|---|
Date Public: | 2015-05-29 Date First Published: |
cwe.mitre.org/data/definitions/20.html
cwe.mitre.org/data/definitions/352.html
cwe.mitre.org/data/definitions/384.html
bto.bluecoat.com/news/ssl-visibility-v3.8.4-released
bto.bluecoat.com/security-advisory/sa96
cwe.mitre.org/data/definitions/200.html
cwe.mitre.org/data/definitions/79.html
fishnetsecurity.com/6labs/blog/vulnerabilities-bluecoat-ssl-visibility-appliances