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Fedoraproject FedoraInteger Overflow, Buffer Overflow

Risk 87
Severity
9.8
Integer Overflow, Buffer Overflow
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

It was found that vncconnectionservermessage() and vnccolormapset() functions do not check for integer overflow properly, leading to a malicious server being able to overwrite parts of the client memory, possibly leading to remote code execution under privileges of user running the VNC client.

Upstream bug:

https://bugzilla.gnome.org/showbug.cgi?id=778050

Upstream patch:

https://git.gnome.org/browse/gtk-vnc/commit/?id=c8583fd3783c5b811590

1 / 2
Source: Red Hat
First published (updated )
CVE-2017-5885

Fedoraproject Fedoragtk-vnc before 0.7.0 does not properly check boundaries of subrectangle-containing tiles, which allo…

Risk 69
Severity
7.8
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

1 / 2
First published (updated )
CVE-2017-5884

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