Fedora 34: x11vnc 2021-069c0c3950
Summary
What WinVNC is to Windows x11vnc is to X Window System, i.e. a server which
serves the current X Window System desktop via RFB (VNC) protocol to the user.
Based on the ideas of x0rfbserver and on LibVNCServer it has evolved into
a versatile and productive while still easy to use program.
This release fixes an insecure permissins of shared memory semgentes created by
an x11vnc server. Previously the segments were readable and writable for any
local user. Now they are accessible only to the user who executed the x11vnc
server.
* Mon Mar 1 2021 Petr Pisar
- Fix CVE-2020-29074 (insecure permissions on a shared memory) (bug #1933603)
[ 1 ] Bug #1933602 - CVE-2020-29074 x11vnc: insecure permissions on shm
https://bugzilla.redhat.com/show_bug.cgi?id=1933602
su -c 'dnf upgrade --advisory FEDORA-2021-069c0c3950' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html
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FEDORA-2021-069c0c3950 2021-03-19 19:51:22.363525 Product : Fedora 34 Version : 0.9.16 Release : 6.fc34 URL : https://github.com/LibVNC/x11vnc Summary : VNC server for the current X11 session Description : What WinVNC is to Windows x11vnc is to X Window System, i.e. a server which serves the current X Window System desktop via RFB (VNC) protocol to the user. Based on the ideas of x0rfbserver and on LibVNCServer it has evolved into a versatile and productive while still easy to use program. This release fixes an insecure permissins of shared memory semgentes created by an x11vnc server. Previously the segments were readable and writable for any local user. Now they are accessible only to the user who executed the x11vnc server. * Mon Mar 1 2021 Petr Pisar - 0.9.16-6 - Fix CVE-2020-29074 (insecure permissions on a shared memory) (bug #1933603) [ 1 ] Bug #1933602 - CVE-2020-29074 x11vnc: insecure permissions on shm https://bugzilla.redhat.com/show_bug.cgi?id=1933602 su -c 'dnf upgrade --advisory FEDORA-2021-069c0c3950' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ package-announce mailing list -- package-announce@lists.fedoraproject.org To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/ Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
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References