CVE-2016-9244

Public Exploit

Description

A BIG-IP virtual server configured with a Client SSL profile that has the non-default Session Tickets option enabled may leak up to 31 bytes of uninitialized memory. A remote attacker may exploit this vulnerability to obtain Secure Sockets Layer (SSL) session IDs from other sessions. It is possible that other data from uninitialized memory may be returned as well.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 69.79% Top 5%
Vendor Advisory f5.com
Affected: F5 Networks F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, PEM, PSM
Published at:
Updated at:

References

Link Tags
https://support.f5.com/csp/article/K05121675 mitigation vendor advisory
https://www.exploit-db.com/exploits/41298/ exploit
https://filippo.io/Ticketbleed/
http://www.securityfocus.com/bid/96143 vdb entry
https://blog.filippo.io/finding-ticketbleed/
http://www.securitytracker.com/id/1037800 third party advisory vdb entry
http://packetstormsecurity.com/files/141017/Ticketbleed-F5-TLS-Information-Disclosure.html
https://github.com/0x00string/oldays/blob/master/CVE-2016-9244.py

Frequently Asked Questions

What is the severity of CVE-2016-9244?
CVE-2016-9244 has been scored as a high severity vulnerability.
How to fix CVE-2016-9244?
To fix CVE-2016-9244, 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-2016-9244 being actively exploited in the wild?
It is possible that CVE-2016-9244 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~70% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-9244?
CVE-2016-9244 affects F5 Networks F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, PEM, PSM.
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