-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: gtk-vnc security, bug fix, and enhancement update Advisory ID: RHSA-2017:2258-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2017:2258 Issue date: 2017-08-01 CVE Names: CVE-2017-5884 CVE-2017-5885 ===================================================================== 1. Summary: An update for gtk-vnc is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: The gtk-vnc packages provide a VNC viewer widget for GTK. The gtk-vnc widget is built by using co-routines, which allows the widget to be completely asynchronous while remaining single-threaded. The following packages have been upgraded to a later upstream version: gtk-vnc (0.7.0). (BZ#1416783) Security Fix(es): * It was found that gtk-vnc lacked proper bounds checking while processing messages using RRE, hextile, or copyrect encodings. A remote malicious VNC server could use this flaw to crash VNC viewers which are based on the gtk-vnc library. (CVE-2017-5884) * An integer overflow flaw was found in gtk-vnc. A remote malicious VNC server could use this flaw to crash VNC viewers which are based on the gtk-vnc library. (CVE-2017-5885) Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.4 Release Notes linked from the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 921008 - Guest will keep typing '~' after press F9 and F10 in same time. 921330 - Remote-viewer shows no error if connect to a spice port through vnc protocol 1126825 - Unnecessary warning messages show when shutdown vnc guest during virt-viewer $guest --wait 1416783 - Rebase to 0.7.0 release to fix numerous bugs 1418944 - CVE-2017-5884 gtk-vnc: Improper check of framebuffer boundaries when processing a tile 1418952 - CVE-2017-5885 gtk-vnc: Integer overflow when processing SetColorMapEntries 1441120 - segment fault when connecting a host with no VNC server listening 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: gtk-vnc-0.7.0-2.el7.src.rpm x86_64: gtk-vnc-debuginfo-0.7.0-2.el7.i686.rpm gtk-vnc-debuginfo-0.7.0-2.el7.x86_64.rpm gtk-vnc2-0.7.0-2.el7.i686.rpm gtk-vnc2-0.7.0-2.el7.x86_64.rpm gvnc-0.7.0-2.el7.i686.rpm gvnc-0.7.0-2.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: gtk-vnc-0.7.0-2.el7.i686.rpm gtk-vnc-0.7.0-2.el7.x86_64.rpm gtk-vnc-debuginfo-0.7.0-2.el7.i686.rpm gtk-vnc-debuginfo-0.7.0-2.el7.x86_64.rpm gtk-vnc-devel-0.7.0-2.el7.i686.rpm gtk-vnc-devel-0.7.0-2.el7.x86_64.rpm gtk-vnc-python-0.7.0-2.el7.x86_64.rpm gtk-vnc2-devel-0.7.0-2.el7.i686.rpm gtk-vnc2-devel-0.7.0-2.el7.x86_64.rpm gvnc-devel-0.7.0-2.el7.i686.rpm gvnc-devel-0.7.0-2.el7.x86_64.rpm gvnc-tools-0.7.0-2.el7.x86_64.rpm gvncpulse-0.7.0-2.el7.i686.rpm gvncpulse-0.7.0-2.el7.x86_64.rpm gvncpulse-devel-0.7.0-2.el7.i686.rpm gvncpulse-devel-0.7.0-2.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: gtk-vnc-0.7.0-2.el7.src.rpm aarch64: gtk-vnc-debuginfo-0.7.0-2.el7.aarch64.rpm gtk-vnc2-0.7.0-2.el7.aarch64.rpm gvnc-0.7.0-2.el7.aarch64.rpm ppc64: gtk-vnc-debuginfo-0.7.0-2.el7.ppc.rpm gtk-vnc-debuginfo-0.7.0-2.el7.ppc64.rpm gtk-vnc2-0.7.0-2.el7.ppc.rpm gtk-vnc2-0.7.0-2.el7.ppc64.rpm gvnc-0.7.0-2.el7.ppc.rpm gvnc-0.7.0-2.el7.ppc64.rpm ppc64le: gtk-vnc-debuginfo-0.7.0-2.el7.ppc64le.rpm gtk-vnc2-0.7.0-2.el7.ppc64le.rpm gvnc-0.7.0-2.el7.ppc64le.rpm s390x: gtk-vnc-debuginfo-0.7.0-2.el7.s390.rpm gtk-vnc-debuginfo-0.7.0-2.el7.s390x.rpm gtk-vnc2-0.7.0-2.el7.s390.rpm gtk-vnc2-0.7.0-2.el7.s390x.rpm gvnc-0.7.0-2.el7.s390.rpm gvnc-0.7.0-2.el7.s390x.rpm x86_64: gtk-vnc-debuginfo-0.7.0-2.el7.i686.rpm gtk-vnc-debuginfo-0.7.0-2.el7.x86_64.rpm gtk-vnc2-0.7.0-2.el7.i686.rpm gtk-vnc2-0.7.0-2.el7.x86_64.rpm gvnc-0.7.0-2.el7.i686.rpm gvnc-0.7.0-2.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): aarch64: gtk-vnc-0.7.0-2.el7.aarch64.rpm gtk-vnc-debuginfo-0.7.0-2.el7.aarch64.rpm gtk-vnc-devel-0.7.0-2.el7.aarch64.rpm gtk-vnc-python-0.7.0-2.el7.aarch64.rpm gtk-vnc2-devel-0.7.0-2.el7.aarch64.rpm gvnc-devel-0.7.0-2.el7.aarch64.rpm gvnc-tools-0.7.0-2.el7.aarch64.rpm gvncpulse-0.7.0-2.el7.aarch64.rpm gvncpulse-devel-0.7.0-2.el7.aarch64.rpm ppc64: gtk-vnc-0.7.0-2.el7.ppc.rpm gtk-vnc-0.7.0-2.el7.ppc64.rpm gtk-vnc-debuginfo-0.7.0-2.el7.ppc.rpm gtk-vnc-debuginfo-0.7.0-2.el7.ppc64.rpm gtk-vnc-devel-0.7.0-2.el7.ppc.rpm gtk-vnc-devel-0.7.0-2.el7.ppc64.rpm gtk-vnc-python-0.7.0-2.el7.ppc64.rpm gtk-vnc2-devel-0.7.0-2.el7.ppc.rpm gtk-vnc2-devel-0.7.0-2.el7.ppc64.rpm gvnc-devel-0.7.0-2.el7.ppc.rpm gvnc-devel-0.7.0-2.el7.ppc64.rpm gvnc-tools-0.7.0-2.el7.ppc64.rpm gvncpulse-0.7.0-2.el7.ppc.rpm gvncpulse-0.7.0-2.el7.ppc64.rpm gvncpulse-devel-0.7.0-2.el7.ppc.rpm gvncpulse-devel-0.7.0-2.el7.ppc64.rpm ppc64le: gtk-vnc-0.7.0-2.el7.ppc64le.rpm gtk-vnc-debuginfo-0.7.0-2.el7.ppc64le.rpm gtk-vnc-devel-0.7.0-2.el7.ppc64le.rpm gtk-vnc-python-0.7.0-2.el7.ppc64le.rpm gtk-vnc2-devel-0.7.0-2.el7.ppc64le.rpm gvnc-devel-0.7.0-2.el7.ppc64le.rpm gvnc-tools-0.7.0-2.el7.ppc64le.rpm gvncpulse-0.7.0-2.el7.ppc64le.rpm gvncpulse-devel-0.7.0-2.el7.ppc64le.rpm s390x: gtk-vnc-0.7.0-2.el7.s390.rpm gtk-vnc-0.7.0-2.el7.s390x.rpm gtk-vnc-debuginfo-0.7.0-2.el7.s390.rpm gtk-vnc-debuginfo-0.7.0-2.el7.s390x.rpm gtk-vnc-devel-0.7.0-2.el7.s390.rpm gtk-vnc-devel-0.7.0-2.el7.s390x.rpm gtk-vnc-python-0.7.0-2.el7.s390x.rpm gtk-vnc2-devel-0.7.0-2.el7.s390.rpm gtk-vnc2-devel-0.7.0-2.el7.s390x.rpm gvnc-devel-0.7.0-2.el7.s390.rpm gvnc-devel-0.7.0-2.el7.s390x.rpm gvnc-tools-0.7.0-2.el7.s390x.rpm gvncpulse-0.7.0-2.el7.s390.rpm gvncpulse-0.7.0-2.el7.s390x.rpm gvncpulse-devel-0.7.0-2.el7.s390.rpm gvncpulse-devel-0.7.0-2.el7.s390x.rpm x86_64: gtk-vnc-0.7.0-2.el7.i686.rpm gtk-vnc-0.7.0-2.el7.x86_64.rpm gtk-vnc-debuginfo-0.7.0-2.el7.i686.rpm gtk-vnc-debuginfo-0.7.0-2.el7.x86_64.rpm gtk-vnc-devel-0.7.0-2.el7.i686.rpm gtk-vnc-devel-0.7.0-2.el7.x86_64.rpm gtk-vnc-python-0.7.0-2.el7.x86_64.rpm gtk-vnc2-devel-0.7.0-2.el7.i686.rpm gtk-vnc2-devel-0.7.0-2.el7.x86_64.rpm gvnc-devel-0.7.0-2.el7.i686.rpm gvnc-devel-0.7.0-2.el7.x86_64.rpm gvnc-tools-0.7.0-2.el7.x86_64.rpm gvncpulse-0.7.0-2.el7.i686.rpm gvncpulse-0.7.0-2.el7.x86_64.rpm gvncpulse-devel-0.7.0-2.el7.i686.rpm gvncpulse-devel-0.7.0-2.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: gtk-vnc-0.7.0-2.el7.src.rpm x86_64: gtk-vnc-debuginfo-0.7.0-2.el7.i686.rpm gtk-vnc-debuginfo-0.7.0-2.el7.x86_64.rpm gtk-vnc2-0.7.0-2.el7.i686.rpm gtk-vnc2-0.7.0-2.el7.x86_64.rpm gvnc-0.7.0-2.el7.i686.rpm gvnc-0.7.0-2.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: gtk-vnc-0.7.0-2.el7.i686.rpm gtk-vnc-0.7.0-2.el7.x86_64.rpm gtk-vnc-debuginfo-0.7.0-2.el7.i686.rpm gtk-vnc-debuginfo-0.7.0-2.el7.x86_64.rpm gtk-vnc-devel-0.7.0-2.el7.i686.rpm gtk-vnc-devel-0.7.0-2.el7.x86_64.rpm gtk-vnc-python-0.7.0-2.el7.x86_64.rpm gtk-vnc2-devel-0.7.0-2.el7.i686.rpm gtk-vnc2-devel-0.7.0-2.el7.x86_64.rpm gvnc-devel-0.7.0-2.el7.i686.rpm gvnc-devel-0.7.0-2.el7.x86_64.rpm gvnc-tools-0.7.0-2.el7.x86_64.rpm gvncpulse-0.7.0-2.el7.i686.rpm gvncpulse-0.7.0-2.el7.x86_64.rpm gvncpulse-devel-0.7.0-2.el7.i686.rpm gvncpulse-devel-0.7.0-2.el7.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2017-5884 https://access.redhat.com/security/cve/CVE-2017-5885 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.4_Release_Notes/index.html 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2017 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFZgN21XlSAg2UNWIIRAhNoAJ9j1YvQgslIALQCBt7y0SRlr6BmsgCgn8re /PfcIxhcA+TAYPegZhw4AHQ= =nJGk -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce