Published: 22/02/2019 Updated: 24/08/2020

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2

VMScore: 384

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Citrix NetScaler Gateway 12.1 before build 50.31, 12.0 before build 60.9, 11.1 before build 60.14, 11.0 before build 72.17, and 10.5 before build 69.5 and Application Delivery Controller (ADC) 12.1 before build 50.31, 12.0 before build 60.9, 11.1 before build 60.14, 11.0 before build 72.17, and 10.5 before build 69.5 allow remote malicious users to obtain sensitive plaintext information because of a TLS Padding Oracle Vulnerability when CBC-based cipher suites are enabled.

Vulnerable Product	Search on Vulmon	Subscribe to Product
citrix netscaler_gateway_firmware 11.1
citrix netscaler_gateway_firmware 12.0
citrix netscaler_gateway_firmware 11.0
citrix netscaler_gateway_firmware 10.5
citrix netscaler_gateway_firmware 12.1
citrix netscaler_application_delivery_controller_firmware 11.1
citrix netscaler_application_delivery_controller_firmware 12.0
citrix netscaler_application_delivery_controller_firmware 11.0
citrix netscaler_application_delivery_controller_firmware 10.5
citrix netscaler_application_delivery_controller_firmware 12.1

Description of Problem A vulnerability has been identified in the Citrix Application Delivery Controller (ADC) formally known as NetScaler ADC and NetScaler Gateway platforms using hardware acceleration that could allow an attacker to exploit the appliance to decrypt TLS traffic This vulnerability does not directly allow an attacker to obtain the ...

New TLS Padding Oracles

TLS Padding Oracles The TLS protocol provides encryption, data integrity, and authentication on the modern Internet Despite the protocol’s importance, currently-deployed TLS versions use obsolete cryptographic algorithms which have been broken using various attacks One prominent class of such attacks is CBC padding oracle attacks These attacks allow an adversary to dec

New TLS Padding Oracles

TLS Padding Oracles The TLS protocol provides encryption, data integrity, and authentication on the modern Internet Despite the protocol’s importance, currently-deployed TLS versions use obsolete cryptographic algorithms which have been broken using various attacks One prominent class of such attacks is CBC padding oracle attacks These attacks allow an adversary to dec

CWE-327 https://support.citrix.com/article/CTX240139 http://www.securityfocus.com/bid/106783 https://github.com/RUB-NDS/TLS-Padding-Oracles https://nvd.nist.gov https://github.com/tls-attacker/TLS-Padding-Oracles https://support.citrix.com/article/CTX240139

CVE-2019-6485

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