Bug 1426766 (CVE-2017-1000044) - CVE-2017-1000044 gtk-vnc: Incorrect boundaries check when updating framebuffer
Summary: CVE-2017-1000044 gtk-vnc: Incorrect boundaries check when updating framebuffer
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-1000044
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1426767
TreeView+ depends on / blocked
 
Reported: 2017-02-24 19:32 UTC by Adam Mariš
Modified: 2019-09-29 14:07 UTC (History)
18 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2017-05-12 07:50:19 UTC
Embargoed:

Attachments (Terms of Use)

Description Adam Mariš 2017-02-24 19:32:14 UTC 
gtk-vnc 0.4.2 and older doesn't check boundaries correctly when updating framebuffer which may result into memory corruption when rendering. Malicious server can crash VNC client or potentially execute code under privileges of user running VNC client.

Upstream patch:

https://git.gnome.org/browse/gtk-vnc/commit/?id=f3fc5e57a78d4be9872f1394f697b9929873a737
Comment 1 Adam Mariš 2017-02-24 19:35:30 UTC 
CVE has been requested from DWF.
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