rhsa-2023_1599
Vulnerability from csaf_redhat
Published
2023-04-04 11:05
Modified
2024-11-06 02:43
Summary
Red Hat Security Advisory: tigervnc security update
Notes
Topic
An update for tigervnc is now available for Red Hat Enterprise Linux 9.0 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.
Details
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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for tigervnc is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.\n\nRed 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.", "title": "Topic" }, { "category": "general", "text": "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.\n\nSecurity Fix(es):\n\n* xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability (CVE-2023-1393)\n\nFor 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.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2023:1599", "url": "https://access.redhat.com/errata/RHSA-2023:1599" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2180288", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2180288" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_1599.json" } ], "title": "Red Hat Security Advisory: tigervnc security update", "tracking": { "current_release_date": "2024-11-06T02:43:17+00:00", "generator": { "date": "2024-11-06T02:43:17+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2023:1599", "initial_release_date": "2023-04-04T11:05:14+00:00", "revision_history": [ { "date": "2023-04-04T11:05:14+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-04-04T11:05:14+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-06T02:43:17+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux AppStream EUS (v.9.0)", "product": { "name": "Red Hat Enterprise Linux AppStream EUS (v.9.0)", "product_id": 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"product_reference": "tigervnc-server-module-debuginfo-0:1.11.0-22.el9_0.2.s390x", "relates_to_product_reference": "AppStream-9.0.0.Z.EUS" }, { "category": "default_component_of", "full_product_name": { "name": "tigervnc-server-module-debuginfo-0:1.11.0-22.el9_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.0)", "product_id": "AppStream-9.0.0.Z.EUS:tigervnc-server-module-debuginfo-0:1.11.0-22.el9_0.2.x86_64" }, "product_reference": "tigervnc-server-module-debuginfo-0:1.11.0-22.el9_0.2.x86_64", "relates_to_product_reference": "AppStream-9.0.0.Z.EUS" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-1393", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "discovery_date": "2023-03-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2180288" } ], "notes": [ { "category": "description", "text": "A vulnerability was found in X.Org Server. This flaw occurs if a client explicitly destroys the compositor overlay window (aka COW), where Xserver leaves a dangling pointer to that window in the CompScreen structure, which will later trigger a use-after-free issue. The Overlay Window use-after-free issue can lead to a local privilege escalation vulnerability.", "title": "Vulnerability description" }, { "category": "summary", "text": "xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability", "title": "Vulnerability summary" }, { "category": "other", "text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9. Therefore, Red Hat Enterprise Linux 8 and 9 have been rated Moderate severity.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-9.0.0.Z.EUS:tigervnc-0:1.11.0-22.el9_0.2.aarch64", "AppStream-9.0.0.Z.EUS:tigervnc-0:1.11.0-22.el9_0.2.ppc64le", "AppStream-9.0.0.Z.EUS:tigervnc-0:1.11.0-22.el9_0.2.s390x", "AppStream-9.0.0.Z.EUS:tigervnc-0:1.11.0-22.el9_0.2.src", "AppStream-9.0.0.Z.EUS:tigervnc-0:1.11.0-22.el9_0.2.x86_64", "AppStream-9.0.0.Z.EUS:tigervnc-debuginfo-0:1.11.0-22.el9_0.2.aarch64", "AppStream-9.0.0.Z.EUS:tigervnc-debuginfo-0:1.11.0-22.el9_0.2.ppc64le", "AppStream-9.0.0.Z.EUS:tigervnc-debuginfo-0:1.11.0-22.el9_0.2.s390x", 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"AppStream-9.0.0.Z.EUS:tigervnc-server-module-0:1.11.0-22.el9_0.2.s390x", "AppStream-9.0.0.Z.EUS:tigervnc-server-module-0:1.11.0-22.el9_0.2.x86_64", "AppStream-9.0.0.Z.EUS:tigervnc-server-module-debuginfo-0:1.11.0-22.el9_0.2.aarch64", "AppStream-9.0.0.Z.EUS:tigervnc-server-module-debuginfo-0:1.11.0-22.el9_0.2.ppc64le", "AppStream-9.0.0.Z.EUS:tigervnc-server-module-debuginfo-0:1.11.0-22.el9_0.2.s390x", "AppStream-9.0.0.Z.EUS:tigervnc-server-module-debuginfo-0:1.11.0-22.el9_0.2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.