Vulnerability Report

CVE-2017-5885

Title: Gnome Gtk-Vnc RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-5885.

CWE Category CWE-190

Published Date Feb 28, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.0

Exploit Probability (EPSS)

4.98%

Vulnerability Summary

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 (crash) or possibly execute arbitrary code via vectors involving SetColorMapEntries, which triggers a buffer overflow.

Impacted Vendors

gnome 1

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=778050 https://git.gnome.org/browse/gtk-vnc/commit/?id=c8583fd3783c5b811590fcb7bae4ce6e7344963e https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/ 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%40lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/

CVSS v3.0

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns