Bug ID 1184629: Validate content length with respective to SIP header offset instead of parser offset

Last Modified: Apr 28, 2025

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

Fixed In:
17.1.0, 16.1.5, 15.1.9

Opened: Oct 27, 2022

Severity: 4-Minor

Symptoms

The SIP parser is validating the content length of the SIP message with respective to the parser offset instead of SIP actual header. Validating the content length with parser offset is inaccurate.

Impact

The SIP parser is calculating the SIP message body size inaccurately.

Conditions

The SIP message should have content length greater than zero and should have content.

Workaround

None

Fix Information

Validating the content length with respective to SIP header offset instead of parser offset.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips