CVE-2016-9244
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure.
- Exploit odds
- 74.0% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 74.0% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 74.0% · EPSS, next 30 days
- Weakness
- CWE-200 · Information exposure
- Record status
- Modified
Affected
- f5 big-ip Local Traffic Manager 11.4.0
- f5 big-ip Local Traffic Manager 11.4.1
- f5 big-ip Local Traffic Manager 11.5.0
- f5 big-ip Local Traffic Manager 11.5.1
- f5 big-ip Local Traffic Manager 11.5.2
- f5 big-ip Local Traffic Manager 11.5.3
- f5 big-ip Local Traffic Manager 11.5.4
- f5 big-ip Local Traffic Manager 11.6.0
Attack profile CVSS 3.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-9244.md and follow it. Check whether this project is affected by CVE-2016-9244. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
References
- http://packetstormsecurity.com/files/141017/Ticketbleed-F5-TLS-Information-Disclosure.html
- http://www.securityfocus.com/bid/96143
- http://www.securitytracker.com/id/1037800
- https://blog.filippo.io/finding-ticketbleed/
- https://filippo.io/Ticketbleed/
- https://github.com/0x00string/oldays/blob/master/CVE-2016-9244.py
- https://support.f5.com/csp/article/K05121675
- https://www.exploit-db.com/exploits/41298/
- http://packetstormsecurity.com/files/141017/Ticketbleed-F5-TLS-Information-Disclosure.html
- http://www.securityfocus.com/bid/96143
- http://www.securitytracker.com/id/1037800
- https://blog.filippo.io/finding-ticketbleed/
- https://filippo.io/Ticketbleed/
- https://github.com/0x00string/oldays/blob/master/CVE-2016-9244.py
- https://support.f5.com/csp/article/K05121675
- https://www.exploit-db.com/exploits/41298/