CVE-2016-3100
Publication date 13 July 2016
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
kinit in KDE Frameworks before 5.23.0 uses weak permissions (644) for /tmp/xauth-xxx-_y, which allows local users to obtain X11 cookies of other users and consequently capture keystrokes and possibly gain privileges by reading the file.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| kinit | ||
| 16.04 LTS xenial |
Fixed 5.18.0-0ubuntu1.1
|
|
| 14.04 LTS trusty | Not in release | |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
Other references
- https://bugs.kde.org/show_bug.cgi?id=358593
- https://bugs.kde.org/show_bug.cgi?id=363140
- https://cgit.kde.org/kinit.git/commit/?id=dece8fd89979cd1a86c03bcaceef6e9221e8d8cd
- https://cgit.kde.org/kinit.git/commit/?id=72f3702dbe6cf15c06dc13da2c99c864e9022a58
- https://www.cve.org/CVERecord?id=CVE-2016-3100