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Red Hat: RHSA-2023-1598-01 Critical: Tigervnc Remote Access Fix

An update for tigervnc is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: tigervnc security update Advisory ID: RHSA-2023:1598-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:1598 Issue date: 2023-04-04 CVE Names: CVE-2023-1393 ==================================================================== 1. Summary: An update for tigervnc is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. 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 EUS (v.8.6) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients. Security Fix(es): * xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability (CVE-2023-1393) 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, referto: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2180288 - CVE-2023-1393 xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability 6. Package List: Red Hat Enterprise Linux AppStream EUS(v.8.6): Source: tigervnc-1.12.0-6.el8_6.3.src.rpm aarch64: tigervnc-1.12.0-6.el8_6.3.aarch64.rpm tigervnc-debuginfo-1.12.0-6.el8_6.3.aarch64.rpm tigervnc-debugsource-1.12.0-6.el8_6.3.aarch64.rpm tigervnc-server-1.12.0-6.el8_6.3.aarch64.rpm tigervnc-server-debuginfo-1.12.0-6.el8_6.3.aarch64.rpm tigervnc-server-minimal-1.12.0-6.el8_6.3.aarch64.rpm tigervnc-server-minimal-debuginfo-1.12.0-6.el8_6.3.aarch64.rpm tigervnc-server-module-1.12.0-6.el8_6.3.aarch64.rpm tigervnc-server-module-debuginfo-1.12.0-6.el8_6.3.aarch64.rpm noarch: tigervnc-icons-1.12.0-6.el8_6.3.noarch.rpm tigervnc-license-1.12.0-6.el8_6.3.noarch.rpm tigervnc-selinux-1.12.0-6.el8_6.3.noarch.rpm ppc64le: tigervnc-1.12.0-6.el8_6.3.ppc64le.rpm tigervnc-debuginfo-1.12.0-6.el8_6.3.ppc64le.rpm tigervnc-debugsource-1.12.0-6.el8_6.3.ppc64le.rpm tigervnc-server-1.12.0-6.el8_6.3.ppc64le.rpm tigervnc-server-debuginfo-1.12.0-6.el8_6.3.ppc64le.rpm tigervnc-server-minimal-1.12.0-6.el8_6.3.ppc64le.rpm tigervnc-server-minimal-debuginfo-1.12.0-6.el8_6.3.ppc64le.rpm tigervnc-server-module-1.12.0-6.el8_6.3.ppc64le.rpm tigervnc-server-module-debuginfo-1.12.0-6.el8_6.3.ppc64le.rpm s390x: tigervnc-1.12.0-6.el8_6.3.s390x.rpm tigervnc-debuginfo-1.12.0-6.el8_6.3.s390x.rpm tigervnc-debugsource-1.12.0-6.el8_6.3.s390x.rpm tigervnc-server-1.12.0-6.el8_6.3.s390x.rpm tigervnc-server-debuginfo-1.12.0-6.el8_6.3.s390x.rpm tigervnc-server-minimal-1.12.0-6.el8_6.3.s390x.rpm tigervnc-server-minimal-debuginfo-1.12.0-6.el8_6.3.s390x.rpm tigervnc-server-module-1.12.0-6.el8_6.3.s390x.rpm tigervnc-server-module-debuginfo-1.12.0-6.el8_6.3.s390x.rpm x86_64: tigervnc-1.12.0-6.el8_6.3.x86_64.rpm tigervnc-debuginfo-1.12.0-6.el8_6.3.x86_64.rpm tigervnc-debugsource-1.12.0-6.el8_6.3.x86_64.rpm tigervnc-server-1.12.0-6.el8_6.3.x86_64.rpm tigervnc-server-debuginfo-1.12.0-6.el8_6.3.x86_64.rpm tigervnc-server-minimal-1.12.0-6.el8_6.3.x86_64.rpm tigervnc-server-minimal-debuginfo-1.12.0-6.el8_6.3.x86_64.rpm tigervnc-server-module-1.12.0-6.el8_6.3.x86_64.rpm tigervnc-server-module-debuginfo-1.12.0-6.el8_6.3.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-2023-1393 https://access.redhat.com/security/updates/classification#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZCw/H9zjgjWX9erEAQjsRhAAgYUngucFdohg3v62+0sl63ZNIrrYalZC AK3Qwe7QufGQCv43GbfrbzXj/nkSxxJh5jiCUDikhfMfiaAkChuDM1feOjyCU6aA Zbp1CJNgiPd3PdO+gOJAx2UsLHN7DxsEFS1+MzvexX+K/FLG/tltaj30+lgpCw9H uY7rtW3wmLa90npUj+/UBDh622c5OO4fBSEeqKPt6MrhcWif6v9vHgPv9DIORJL9 cGhhHCxViKrWRLSU9ZnuDpPElfhvp3AmRzzP4qk2nC5Wp3/mWsx74fAdySHuE0ew FQSaLIS9U+xGaX5bPiRZ6k/P4QstokZamXj/QQ91NFQ7YkugJT6FQMAzqoeva02t MngtULxtQ6krZTYQkmqMYLOTEFz5IUmADr8IPjOcZDDkwYgKEQvDE+sLoLk+805I CxCGJH9cdN1BhEY0i/lIkTQ8WeArViY1Q5Vco9PtwcehLFeK1GQWXn40DKR4dXiT VWBi9TvUh7Oka5EqJ0t+Jwsp+M7HUZBe3uPQZCDpgvTCZhFPuuevb/BR/9qe89hI /EuKA979Wujmkm9ov2mOKOgfwqHjMn+p85+H9RH7ZljrvNcscJB8kIFLwMlg/uT9 Vku2ETHD6UBg2PjpdK3W9dEzlva6rmHUCz0mwo8KeKlFR8ax3MtF67JMLoZSG8s1 bAE1OO5hPWI=NZUE -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . An important revision for tigervnc on Red Hat resolving issues related to local privilege escalation. Full security advisory information included.. tigervnc security, red hat advisory, remote access update, red hat enterprise, local privilege fix. . Severity: Important. LinuxSecurity.com Team

Apr 04, 2023 •Important Red Hat