CVE-2017-5884 Information

Description

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.

CVSS Vector

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

Reference

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=778048 https://git.gnome.org/browse/gtk-vnc/commit/?id=ea0386933214c9178aaea9f2f85049ea3fa3e14a https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LGPQ5MQR6SN4DYTEFACHP2PP5RR26KYK/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8