Integer overflow in GNOME Gtk-Vnc
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.
Vulnerability class: Integer Overflow
EPSS: 0.050 (91.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnome Gtk-vnc
- Fedoraproject Fedora — versions 25
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-5885?
- CVE-2017-5885 is a critical-severity vulnerability in GNOME Gtk-Vnc, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2017-02-28.
- How severe is CVE-2017-5885?
- Critical severity. CVSS v3 base score is 9.8 out of 10.