Bug 890931 - Must set NSS_SSL_CBC_RANDOM_IV=0 for pidgin-sipe to work with ms ocs
Summary: Must set NSS_SSL_CBC_RANDOM_IV=0 for pidgin-sipe to work with ms ocs
Status: CLOSED DUPLICATE of bug 770682
Alias: None
Product: Fedora
Classification: Fedora
Component: pidgin-sipe
Version: 18
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: Stefan Becker
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2012-12-31 08:50 UTC by birger
Modified: 2012-12-31 09:03 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2012-12-31 09:03:42 UTC
Type: Bug

Attachments (Terms of Use)

Description birger 2012-12-31 08:50:42 UTC
Description of problem:
After upgrade to Fedora 18 pidgin-sipe stopped working

Version-Release number of selected component (if applicable):
All versions on Fedora 18

How reproducible:
Always fails

Steps to Reproduce:
1. start pidgin with a MS OCS account defined
Actual results:
Cannot connect to server

Expected results:

Additional info:
Setting NSS_SSL_CBC_RANDOM_IV=0 before starting pidgin fixs the problem. Is it possible to do the equivalent from within the plugin? Or does it have to be handled at the SSL library?

Comment 1 Stefan Becker 2012-12-31 09:03:42 UTC
The bug is on Microsoft side, not pidgin-sipe, Pidgin nor NSS. It seems that Microsoft does have an update for their SSL code, because for some servers/accounts disabling the NSS security fix is no longer necessary.

Pidgin does not have an API to disable NSS security fix per plugin/SSL connection, so this can't be implemented in the plugin.

The only option to get this working without the environment variable would be to re-introduce the same patch to NSS which was used in F15/F16/F17.

*** This bug has been marked as a duplicate of bug 770682 ***

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