rhsa-2019_1143
Vulnerability from csaf_redhat
Published
2019-05-13 05:03
Modified
2024-11-22 13:16
Summary
Red Hat Security Advisory: flatpak security update
Notes
Topic
An update for flatpak is now available for Red Hat Enterprise Linux 8.
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
Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.
Security Fix(es):
* flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226) (CVE-2019-10063)
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 flatpak is now available for Red Hat Enterprise Linux 8.\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": "Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.\n\nSecurity Fix(es):\n\n* flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226) (CVE-2019-10063)\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-2019:1143", "url": "https://access.redhat.com/errata/RHSA-2019:1143" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1695973", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1695973" }, { "category": "self", "summary": "Canonical 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"flatpak-libs-debuginfo-0:1.0.6-3.el8_0.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.aarch64" }, "product_reference": "flatpak-libs-debuginfo-0:1.0.6-3.el8_0.aarch64", "relates_to_product_reference": "AppStream-8.0.0.Z" }, { "category": "default_component_of", "full_product_name": { "name": "flatpak-libs-debuginfo-0:1.0.6-3.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.i686" }, "product_reference": "flatpak-libs-debuginfo-0:1.0.6-3.el8_0.i686", "relates_to_product_reference": "AppStream-8.0.0.Z" }, { "category": "default_component_of", "full_product_name": { "name": "flatpak-libs-debuginfo-0:1.0.6-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.ppc64le" }, "product_reference": "flatpak-libs-debuginfo-0:1.0.6-3.el8_0.ppc64le", "relates_to_product_reference": "AppStream-8.0.0.Z" }, { "category": "default_component_of", "full_product_name": { "name": "flatpak-libs-debuginfo-0:1.0.6-3.el8_0.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.s390x" }, "product_reference": "flatpak-libs-debuginfo-0:1.0.6-3.el8_0.s390x", "relates_to_product_reference": "AppStream-8.0.0.Z" }, { "category": "default_component_of", "full_product_name": { "name": "flatpak-libs-debuginfo-0:1.0.6-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.x86_64" }, "product_reference": "flatpak-libs-debuginfo-0:1.0.6-3.el8_0.x86_64", "relates_to_product_reference": "AppStream-8.0.0.Z" } ] }, "vulnerabilities": [ { "cve": "CVE-2019-10063", "cwe": { "id": "CWE-266", "name": "Incorrect Privilege Assignment" }, "discovery_date": "2019-03-22T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1695973" } ], "notes": [ { "category": "description", "text": "An incomplete fix for CVE-2017-5226 was found in flatpak. A sandbox bypass flaw was found in the way bubblewrap, which is used for sandboxing flatpak applications handled the TIOCSTI ioctl. A malicious flatpak application could use this flaw to inject commands into the controlled terminal of the host after the flatpak applications exits. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226)", "title": "Vulnerability summary" }, { "category": "other", "text": "This flaw can be exploited by malicious flatpak applications which include the code to exploit the wrong handling of the TIOCSTI ioctl (AV:L). No special action is needed to be performed by the attacker just having the exploit code should be enough for bypassing the sandbox restrictions (AC:L), Also the applications needs to be downloaded and run by the victim (PR:L). The flaw results in code being executed on the host system which is running the sandboxed application therefore this affects the host beyond the sandboxed application (S:C). Lastly considering the worst scenario in which the flatpak is run as root on the host system, this flaw can result in the malicious application running code as root on the host system (CIA:H).", "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-8.0.0.Z:flatpak-0:1.0.6-3.el8_0.aarch64", "AppStream-8.0.0.Z:flatpak-0:1.0.6-3.el8_0.ppc64le", "AppStream-8.0.0.Z:flatpak-0:1.0.6-3.el8_0.s390x", "AppStream-8.0.0.Z:flatpak-0:1.0.6-3.el8_0.src", "AppStream-8.0.0.Z:flatpak-0:1.0.6-3.el8_0.x86_64", "AppStream-8.0.0.Z:flatpak-debuginfo-0:1.0.6-3.el8_0.aarch64", "AppStream-8.0.0.Z:flatpak-debuginfo-0:1.0.6-3.el8_0.i686", "AppStream-8.0.0.Z:flatpak-debuginfo-0:1.0.6-3.el8_0.ppc64le", "AppStream-8.0.0.Z:flatpak-debuginfo-0:1.0.6-3.el8_0.s390x", "AppStream-8.0.0.Z:flatpak-debuginfo-0:1.0.6-3.el8_0.x86_64", "AppStream-8.0.0.Z:flatpak-debugsource-0:1.0.6-3.el8_0.aarch64", "AppStream-8.0.0.Z:flatpak-debugsource-0:1.0.6-3.el8_0.i686", "AppStream-8.0.0.Z:flatpak-debugsource-0:1.0.6-3.el8_0.ppc64le", "AppStream-8.0.0.Z:flatpak-debugsource-0:1.0.6-3.el8_0.s390x", "AppStream-8.0.0.Z:flatpak-debugsource-0:1.0.6-3.el8_0.x86_64", "AppStream-8.0.0.Z:flatpak-libs-0:1.0.6-3.el8_0.aarch64", "AppStream-8.0.0.Z:flatpak-libs-0:1.0.6-3.el8_0.i686", "AppStream-8.0.0.Z:flatpak-libs-0:1.0.6-3.el8_0.ppc64le", "AppStream-8.0.0.Z:flatpak-libs-0:1.0.6-3.el8_0.s390x", "AppStream-8.0.0.Z:flatpak-libs-0:1.0.6-3.el8_0.x86_64", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.aarch64", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.i686", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.ppc64le", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.s390x", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2019-10063" }, { "category": "external", "summary": "RHBZ#1695973", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1695973" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-10063", "url": "https://www.cve.org/CVERecord?id=CVE-2019-10063" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-10063", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-10063" } ], "release_date": "2019-03-22T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2019-05-13T05:03:57+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.0.0.Z:flatpak-0:1.0.6-3.el8_0.aarch64", 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"AppStream-8.0.0.Z:flatpak-libs-0:1.0.6-3.el8_0.ppc64le", "AppStream-8.0.0.Z:flatpak-libs-0:1.0.6-3.el8_0.s390x", "AppStream-8.0.0.Z:flatpak-libs-0:1.0.6-3.el8_0.x86_64", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.aarch64", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.i686", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.ppc64le", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.s390x", "AppStream-8.0.0.Z:flatpak-libs-debuginfo-0:1.0.6-3.el8_0.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2019:1143" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0" }, "products": [ 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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.