Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1
Fixed In:
13.0.0, 12.1.2
Opened: Jul 11, 2016 Severity: 3-Major
Ramcache may re-use internal HTTP data without clearing the cookie cache. If other filters later inspect that cache they may read corrupted cookie information, or cause a TMM crash.
The modifications of the corrupt cookie cache may cause HTTP headers to be malformed. Inspecting the cookie cache may cause the TMM to crash with an assert. Traffic disrupted while tmm restarts.
Ramcache + another filter or iRule inspecting/modifying cookies in a Ramcache response.
None
Ramcache clears the HTTP cookie cache in its responses.