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RedHat Update for gtk-vnc RHSA-2017:2258-01
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'gtk-vnc' package(s) announced via the referenced advisory.
Insight
Insight
The gtk-vnc packages provide a VNC viewer widget for GTK. The gtk-vnc widget is built by using co-routines, which allows the widget to be completely asynchronous while remaining single-threaded. The following packages have been upgraded to a later upstream version: gtk-vnc (0.7.0). (BZ#1416783) Security Fix(es): * It was found that gtk-vnc lacked proper bounds checking while processing messages using RRE, hextile, or copyrect encodings. A remote malicious VNC server could use this flaw to crash VNC viewers which are based on the gtk-vnc library. (CVE-2017-5884) * An integer overflow flaw was found in gtk-vnc. A remote malicious VNC server could use this flaw to crash VNC viewers which are based on the gtk-vnc library. (CVE-2017-5885) Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.4 Release Notes linked from the References section.
Affected Software
Affected Software
gtk-vnc on Red Hat Enterprise Linux Server (v. 7)
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Please Install the Updated Packages.