CVE-2017-5933 Information

Description

Citrix NetScaler ADC and NetScaler Gateway 10.5 before Build 65.11 11.0 before Build 69.12/69.123 and 11.1 before Build 51.21 randomly generates GCM nonces which makes it marginally easier for remote attackers to obtain the GCM authentication key and spoof data by leveraging a reused nonce in a session and a \forbidden attack\ a similar issue to CVE-2016-0270.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/96151 https://github.com/nonce-disrespect/nonce-disrespect https://support.citrix.com/article/CTX220329

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9