Critical severity · published Feb 28, 2017
CVE-2017-5885
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…
9.8
CVSS
5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.0% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
25 · source: NVD
GT
Gtk-vnc · Gnome
through 0.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5885
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5885
Mailing List
http://www.openwall.com/lists/oss-security/2017/02/03/5
Mailing List
http://www.openwall.com/lists/oss-security/2017/02/05/5
Third Party Advisory
http://www.securityfocus.com/bid/96016
access.redhat.com
https://access.redhat.com/errata/RHSA-2017:2258
Exploit
https://bugzilla.gnome.org/show_bug.cgi?id=778050
Issue Tracking
https://git.gnome.org/browse/gtk-vnc/commit/?id=c8583fd3783c5b811590fcb7bae4ce6e7344963e
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