Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3000 libvncserver security update 2 September 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libvncserver Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-18922 Reference: ESB-2020.2831 ESB-2020.2746 ESB-2020.2727 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:3588 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: libvncserver security update Advisory ID: RHSA-2020:3588-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:3588 Issue date: 2020-09-01 CVE Names: CVE-2017-18922 ===================================================================== 1. Summary: An update for libvncserver is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. 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 AppStream E4S (v. 8.0) - ppc64le, x86_64 3. Description: LibVNCServer is a C library that enables you to implement VNC server functionality into own programs. Security Fix(es): * libvncserver: websocket decoding buffer overflow (CVE-2017-18922) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in 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/): 1852356 - CVE-2017-18922 libvncserver: websocket decoding buffer overflow 6. Package List: Red Hat Enterprise Linux AppStream E4S (v. 8.0): Source: libvncserver-0.9.11-9.el8_0.3.src.rpm ppc64le: libvncserver-0.9.11-9.el8_0.3.ppc64le.rpm libvncserver-debuginfo-0.9.11-9.el8_0.3.ppc64le.rpm libvncserver-debugsource-0.9.11-9.el8_0.3.ppc64le.rpm x86_64: libvncserver-0.9.11-9.el8_0.3.i686.rpm libvncserver-0.9.11-9.el8_0.3.x86_64.rpm libvncserver-debuginfo-0.9.11-9.el8_0.3.i686.rpm libvncserver-debuginfo-0.9.11-9.el8_0.3.x86_64.rpm libvncserver-debugsource-0.9.11-9.el8_0.3.i686.rpm libvncserver-debugsource-0.9.11-9.el8_0.3.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-2017-18922 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX05hEtzjgjWX9erEAQi34A//S7+00KpHhZuAMDba4LheAS4LybkQZHaE OfKnNnPoDlFb6SH9wHVXCeOwmDDWfKYCkQiK5pjinMXWHDkZ7RsAQiNoKYpRf4JR pIicuBiCZB54bevybW6FLqY1yKyWzoPY0zSBaJdzn2uvq5WjSskbncjAS6JpFUeK ZQkhC4R/ckpfYyf73UW6AG9X2WybRZEMu/+TccwCM7e2YPEu4eiBXU3w2ijlGHUH F6JaW3RP49U+pRJEtHJFhHw95EKkidY5QuA+iXnv0MnGHwHHyr6UkZzHFC0/3dQX gmq/1Y3LSw7AX5gL3k0/izATM9KVaM1ByWnaNBBw5AX9U6jhXiv6Ph11EWpK6ppp vuJfukmjNPCzG41yOKPEYbtXMctZiLUs0MMGqh0A7rNrH/TDZygPGplfijk75aZU PuawPbNLQDslQigNOeMghnqS/KvvCm8spjSz2/gxXoneORQHS+7xFu1fGGBCoeUm gRwBINokTOCA0CZxcrYN5+5mMhaJir7fIn863Gr/T60qPxKh//Jwwbd2jtTvfhPQ hMtWYHPyr5v0gcNqQrA1Or8PmoL4fqlFtB3CN2xQYpbPPi+G7PF8/atIdL+tFaY6 iWlB+MtfgB56dchvkP37SF7HLTZ98u9gmWFFGiODip9O8mp9x4tohZGAWcoel0Rf cUL0cVp2XvI= =8+67 - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBX08jy+NLKJtyKPYoAQjzxQ/9Ew6APxCb9GjdtOZfMgAAvbllnQx9gieo WhJrLt1nUdGa7jhrKZT5e48wgCZQrI0bo9SHZbj5iwD9xc/Uo0o5zCsx2sLKiTnW sXlhBznoJhr0yC9FhcCCR51P6xNweVM0lQe4ytxgu8elzCD77+XIfKwZt4lZEh8o 6Ra8onaC5AaKWWiNguGkoxvxibsnkS655BKaywwfjBCwkVuZTgFYbDtM3P0i55FA t1HYBNPu2HT8KaNVMep+QlPhzH1/JZUH7RsDWgEdEx0pQOBZwzznNulmknBR6NRL S8v7PIbKrZmHy9X7GkjZSYbr02wr0H6SGowaiK+W2q4VBc8CXuA2QApUE3K1YfrY ppPtthDlYgZssoDCFV132YdJDo38WiLaR075038TKIw5XLVpyXv0UAkbXk22ZKyG BLeAp5JrRVBTtN8pvUIj2zSLiob81yFdmT1AF48HZf6ynPPook0/7QJdEAzdZy32 hY95EB1TVe/lssWUgi3TMAaBORZNsaAuJHPcIajVN66NHhEP1EZ51KiLijv5ObFB SDcYls1P5wft9DAebZDfaEI80EkYGP57DzBCD+unFqXDMheyz7zIkLOR2L1JCwh3 CL2urvAw4vsdAFPdVt/T10i0EUG71s/CYH8F29V8OnmFAnfq7HqU0lQdzKzjaDIH zn61Ap6tugM= =SLMD -----END PGP SIGNATURE-----