Bug ID 1441433: BIG-IP may not remove the topmost via header from a SIP response before forwarding to server

Last Modified: Oct 14, 2024

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4

Opened: Dec 12, 2023

Severity: 3-Major

Symptoms

If extension2 contains % (percent), some clients will convert it and this causes the BIG-IP to forward it as is instead of removing it.

Impact

Extension2 ends up being forwarded by BIG-IP SIP server getting extra field (extension2) does not recognize it.

Conditions

-- Virtual server with a SIP profile -- A header arrives (extension2) which contains a special character. This can occur if a client converts %2a to *, for example.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips