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CVE-2013-4509

Publication date 23 November 2013

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The default configuration of IBUS 1.5.4, and possibly 1.5.2 and earlier, when IBus.InputPurpose.PASSWORD is not set and used with GNOME 3, does not obscure the entered password characters, which allows physically proximate attackers to obtain a user password by reading the lockscreen.

Read the notes from the security team

Status

Package Ubuntu Release Status
ibus 13.10 saucy
Not affected
13.04 raring
Not affected
12.10 quantal
Not affected
12.04 LTS precise
Not affected
10.04 LTS lucid Ignored

Notes

jdstrand

1.5.4 only. Specifically "1.5.2 or lower do not handle the input purpose so the typed chars are shown as the bug. 1.5.3 returns FALSE when the input purpose is password in IBus GTK+ IM modules instead of sending the key events to IBus engines so the problem does not appear. 1.5.4 adds the class method of set_content_type() in IBusEngine and IBus GTK+ IM modules send the input purpose to engines."