rhsa-2024_0010
Vulnerability from csaf_redhat
Published
2024-01-02 08:58
Modified
2024-11-06 04:36
Summary
Red Hat Security Advisory: tigervnc security update
Notes
Topic
An update for tigervnc is now available for Red Hat Enterprise Linux 9.
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: Out-of-bounds write in XIChangeDeviceProperty/RRChangeOutputProperty (CVE-2023-5367)
* xorg-x11-server: out-of-bounds memory reads/writes in XKB button actions (CVE-2023-6377)
* xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty (CVE-2023-6478)
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.\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: Out-of-bounds write in XIChangeDeviceProperty/RRChangeOutputProperty (CVE-2023-5367)\n\n* xorg-x11-server: out-of-bounds memory reads/writes in XKB button actions (CVE-2023-6377)\n\n* xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty (CVE-2023-6478)\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-2024:0010", "url": "https://access.redhat.com/errata/RHSA-2024:0010" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2243091", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2243091" }, { "category": "external", "summary": "2253291", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253291" }, { "category": "external", "summary": "2253298", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253298" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_0010.json" } ], "title": "Red Hat Security Advisory: tigervnc security update", "tracking": { "current_release_date": "2024-11-06T04:36:59+00:00", "generator": { "date": "2024-11-06T04:36:59+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2024:0010", "initial_release_date": "2024-01-02T08:58:34+00:00", "revision_history": [ { "date": "2024-01-02T08:58:34+00:00", "number": "1", "summary": "Initial version" }, { "date": "2024-01-02T08:58:34+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-06T04:36:59+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { 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"category": "default_component_of", "full_product_name": { "name": "tigervnc-server-module-debuginfo-0:1.13.1-3.el9_3.3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)", "product_id": "AppStream-9.3.0.Z.MAIN:tigervnc-server-module-debuginfo-0:1.13.1-3.el9_3.3.x86_64" }, "product_reference": "tigervnc-server-module-debuginfo-0:1.13.1-3.el9_3.3.x86_64", "relates_to_product_reference": "AppStream-9.3.0.Z.MAIN" } ] }, "vulnerabilities": [ { "cve": "CVE-2023-5367", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2023-10-03T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2243091" } ], "notes": [ { "category": "description", "text": "A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.", "title": "Vulnerability description" }, { "category": "summary", "text": "xorg-x11-server: Out-of-bounds write in XIChangeDeviceProperty/RRChangeOutputProperty", "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 with a 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" } ], 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Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.", "title": "Vulnerability description" }, { "category": "summary", "text": "xorg-x11-server: out-of-bounds memory reads/writes in XKB button actions", "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 with a 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-9.3.0.Z.MAIN:tigervnc-0:1.13.1-3.el9_3.3.aarch64", "AppStream-9.3.0.Z.MAIN:tigervnc-0:1.13.1-3.el9_3.3.ppc64le", 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"references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2023-6478" }, { "category": "external", "summary": "RHBZ#2253298", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253298" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2023-6478", "url": "https://www.cve.org/CVERecord?id=CVE-2023-6478" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-6478", "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6478" }, { "category": "external", "summary": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632", "url": "https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632" }, { "category": "external", "summary": "https://lists.x.org/archives/xorg-announce/2023-December/003435.html", "url": "https://lists.x.org/archives/xorg-announce/2023-December/003435.html" } ], "release_date": 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- 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.