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Bug 566640 (CVE-2015-8316) - <x11-misc/lightdm-1.16.6: XDMCP request packet with no addresses crashes LightDM
Summary: <x11-misc/lightdm-1.16.6: XDMCP request packet with no addresses crashes LightDM
Status: RESOLVED FIXED
Alias: CVE-2015-8316
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
URL: https://bugzilla.redhat.com/show_bug....
Whiteboard: B3 [noglsa]
Keywords:
Depends on:
Blocks:
 
Reported: 2015-11-23 16:11 UTC by Agostino Sarubbo
Modified: 2016-11-22 13:13 UTC (History)
1 user (show)

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Package list:
Runtime testing required: ---

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Description Agostino Sarubbo gentoo-dev 2015-11-23 16:11:05 UTC 
From ${URL} :

It was found that when XDMCP sercer is enabled and LightDM receives an XDMCP Request packet with no 
addresses, it will attempt to access a negative index into an array, causing denial of service.

CVE assignment:

http://seclists.org/oss-sec/2015/q4/352


@maintainer(s): after the bump, in case we need to stabilize the package, please let us know if it is ready for the stabilization or not.
Comment 1 Tobias Heinlein (RETIRED) gentoo-dev 2016-01-17 17:26:57 UTC 
Fixed versions (1.14.4 and 1.16.6) are in the tree. Can we go stable with one of these?
Comment 2 Thomas Deutschmann (RETIRED) gentoo-dev 2016-11-22 12:59:09 UTC 
Like said in comment #1 a fixed version is in tree and went stable in the meanwhile.


@ Maintainer(s): Could you please cleanup and drop the remaining vulnerable version =x11-misc/lightdm/1.10.5?
Comment 3 Aaron Bauman (RETIRED) gentoo-dev 2016-11-22 13:13:20 UTC 
Devaway...

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a9b45032ad3461086b53a80c6870a26527461639

GLSA Vote: No