CVE-2016-9244

MEDIUM

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.

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/

Details

Source: MITRE

Published: 2017-02-09

Updated: 2017-03-01

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 5

Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH