Vulnerability CVE-2017-5885
Published: 2017-02-28

Description:
Multiple integer overflows in the (1) vnc_connection_server_message and (2) vnc_color_map_set functions in gtk-vnc before 0.7.0 allow remote servers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving SetColorMapEntries, which triggers a buffer overflow.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Gnome -> Gtk-vnc 
Fedoraproject -> Fedora 

 References:
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=778050
https://git.gnome.org/browse/gtk-vnc/commit/?id=c8583fd3783c5b811590fcb7bae4ce6e7344963e
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/
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