CVE-2017-5884
First published: Fri Feb 03 2017(Updated: )
gtk-vnc before 0.7.0 does not properly check boundaries of subrectangle-containing tiles, which allows remote servers to execute arbitrary code via the src x, y coordinates in a crafted (1) rre, (2) hextile, or (3) copyrect tile.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fedora | =25 | |
| GTK-VNC | <=0.6.0 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2017/02/03/5
- http://www.openwall.com/lists/oss-security/2017/02/05/5
- http://www.securityfocus.com/bid/96016
- https://access.redhat.com/errata/RHSA-2017:2258
- https://bugzilla.gnome.org/show_bug.cgi?id=778048
- https://git.gnome.org/browse/gtk-vnc/commit/?id=ea0386933214c9178aaea9f2f85049ea3fa3e14a
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/
- https://git.gnome.org/browse/gtk-vnc/commit/?id=ea0386933214c9178
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1418955
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1418956
- http://openwall.com/lists/oss-security/2017/02/05/5
- https://bugzilla.gnome.org/show_bug.cgi?id=778048#c1
- https://access.redhat.com/security/cve/CVE-2017-5884
- https://bugzilla.redhat.com/show_bug.cgi?id=1418944
Frequently Asked Questions
What is the severity of CVE-2017-5884?
CVE-2017-5884 is classified as a critical vulnerability due to its potential to allow arbitrary code execution.
How do I fix CVE-2017-5884?
To fix CVE-2017-5884, update gtk-vnc to version 0.7.0 or later.
Which versions of gtk-vnc are affected by CVE-2017-5884?
CVE-2017-5884 affects gtk-vnc versions before 0.7.0.
Can CVE-2017-5884 be exploited remotely?
Yes, CVE-2017-5884 can be exploited by a remote attacker through crafted tile coordinates.
What applications are impacted by CVE-2017-5884?
CVE-2017-5884 impacts applications using gtk-vnc, particularly on Fedora 25 and versions of gtk-vnc up to 0.6.0.
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- canonical/gtk-vnc
- version/gtk-vnc/0.6.0