CVE-2017-5933

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.53%
Vendor Advisory citrix.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/nonce-disrespect/nonce-disrespect third party advisory
https://support.citrix.com/article/CTX220329 vendor advisory
http://www.securityfocus.com/bid/96151 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-5933?
CVE-2017-5933 has been scored as a medium severity vulnerability.
How to fix CVE-2017-5933?
To fix CVE-2017-5933, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5933 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-5933 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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