Bug ID 892485: A wrong OCSP status cache may be looked up and re-used during SSL handshake.

Last Modified: May 29, 2024

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

Known Affected Versions:
14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5

Fixed In:
16.1.0, 15.1.5.1, 14.1.4.6

Opened: Mar 24, 2020

Severity: 3-Major

Symptoms

A wrong OCSP status entry in SessionDB is returned during a cache lookup due to using a wrong input parameter - certificate serial number. The result is wrong OCSP status is used in the SSL handshake.

Impact

A wrong OCSP status may be reported in the SSL handshake.

Conditions

If OCSP object is configured in a clientSSL or serverSSL profile.

Workaround

None

Fix Information

After the fix, the correct OCSP status entry is returned and SSL handshake continues with the correct OCSP status.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips