NetScaler 11.1 - Services flap on VPX/Interface hangs observed on XenServer

Services flaps on VPX/Interface hands observed on XenServer...

Citrix Systems NetScaler Application Delivery Controller and NetScaler Gateway Information Disclosure Vulnerability

Citrix Systems NetScaler Application Delivery Controller ADC and NetScaler Gateway formerly Citrix Access Gateway Enterprise Edition are both products of Citrix Systems, Inc. NetScaler ADC is a service and application delivery solution Application Delivery Controller; NetScaler Gateway is a secur...

CVE-2017-17382

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a...

Code injection

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a...

CVE-2017-17549

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 allow remote attackers to obtain sensitive information from the backend client TLS handshake by leveraging use of TLS...

CVE-2017-17382

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a...

Information disclosure

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 allow remote attackers to obtain sensitive information from the backend client TLS handshake by leveraging use of TLS...

CVE-2017-17549

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 allow remote attackers to obtain sensitive information from the backend client TLS handshake by leveraging use of TLS...

CVE-2017-17382

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a...

CVE-2017-17549

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 allow remote attackers to obtain sensitive information from the backend client TLS handshake by leveraging use of TLS...

CVE-2017-17549

Citrix NetScaler ADC and NetScaler Gateway are affected by CVE-2017-17549, enabling information disclosure from the backend client TLS handshake when TLS with Client Certificates and a Diffie-Hellman Ephemeral (DHE) key exchange are used. Affected virtual appliances include NetScaler ADC/Gateway ...

CVE-2017-17382

CVE-2017-17382 affects Citrix NetScaler ADC and NetScaler Gateway (versions 10.5 before 67.13, 11.0 before 71.22, 11.1 before 56.19, and 12.0 before 53.22). The root cause is a Bleichenbacher RSA padding oracle that could allow a remote attacker to decrypt TLS ciphertext, i.e., a ROBOT-style atta...

CVE-2017-17382

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a...

StoreFront monitor shows down if "Check Backend Services" is enabled

When NetScaler admin try to create a service group and bind StoreFront monitor, the effective state shows down...

CVE-2017-17382 - TLS Padding Oracle Vulnerability in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway

Description of Problem A vulnerability has been identified in the Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway Packet Engine that could allow an attacker to exploit the appliance to decrypt TLS traffic. This vulnerability has been assigned the following CVE:...

CVE-2017-17549 - Information Disclosure in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway Client TLS Handshake

Description of Problem A vulnerability has been identified in the Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway Packet Engine that could result in the disclosure of cleartext traffic from the backend client TLS handshake. This vulnerability only affects connections...

SSL Handshake Fails When Server Name Indication (SNI) is Enabled on ADC

SSL handshake fails when Server Name Indication feature is enabled on NetScaler Server Name Indication aka SNI is an extension of the TLS protocol. For SNI to work, the server name in the client hello must match the host name configured on the back-end service that is bound to an SSL virtual...

EDT Security using DTLS

EDT Security using DTLS As from XenApp and XenDesktop 7.16 VDAs, DTLS is supported refer to the Windows OS VDA 7.16 Schannel library support for DTLS article. This means that backend connection between NetScaler and the VDA could optionally use DTLS. In addition, Receiver could optionally use DTL...

Predefined Setting Values Configured on NetScaler MAS

This article list the predefined setting values configured on NetScaler MAS. NetScaler MAS Prune settings Number of days to keep data is default 15 Pruning happens everyday at 00:00 for Events, Audit Log, Task Log tables NetScaler MAS Backup Settings Every 12 hours NetScaler MAS will back up...

Error "Packets dropped due to licensed throughput rate being reached" on NetScaler

The following error is recorded in the ns.log file on NetScaler: EVENT Message 62992 0 : "410 packets dropped due to licensed throughput rate being reached"...