CVE-2015-8316
Published: 6 September 2017
Array index error in LightDM (aka Light Display Manager) 1.14.3, 1.16.x before 1.16.6 when the XDMCP server is enabled allows remote attackers to cause a denial of service (process crash) via an XDMCP request packet with no address.
Notes
| Author | Note |
|---|---|
| mdeslaur | introduced in 1.14.3 and 1.15.1 by the following commits: http://bazaar.launchpad.net/~lightdm-team/lightdm/1.14/revision/2143 http://bazaar.launchpad.net/~lightdm-team/lightdm/1.16/revision/2155 fixed in 1.14.4, 1.16.6 and 1.17.2 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
lightdm Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(1.14/1.16 only)
|
| trusty |
Does not exist
(trusty was not-affected [1.14/1.16 only])
|
|
| upstream |
Released
(1.14.4,1.16.6,1.17.2)
|
|
| vivid |
Not vulnerable
(1.14.2-0ubuntu1.1)
|
|
| wily |
Ignored
(end of life)
|
|
| xenial |
Not vulnerable
(1.17.2-0ubuntu1)
|
|
|
Patches: upstream: https://bazaar.launchpad.net/~lightdm-team/lightdm/1.14/revision/2166 upstream: https://bazaar.launchpad.net/~lightdm-team/lightdm/1.16/revision/2207 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |