cve-2024-32462
Vulnerability from cvelistv5
Published
2024-04-18 18:11
Modified
2025-02-13 17:52
Severity ?
8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Summary
Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. in versions before 1.10.9, 1.12.9, 1.14.6, and 1.15.8, a malicious or compromised Flatpak app could execute arbitrary code outside its sandbox. Normally, the `--command` argument of `flatpak run` expects to be given a command to run in the specified Flatpak app, optionally along with some arguments. However it is possible to instead pass `bwrap` arguments to `--command=`, such as `--bind`. It's possible to pass an arbitrary `commandline` to the portal interface `org.freedesktop.portal.Background.RequestBackground` from within a Flatpak app. When this is converted into a `--command` and arguments, it achieves the same effect of passing arguments directly to `bwrap`, and thus can be used for a sandbox escape. The solution is to pass the `--` argument to `bwrap`, which makes it stop processing options. This has been supported since bubblewrap 0.3.0. All supported versions of Flatpak require at least that version of bubblewrap. xdg-desktop-portal version 1.18.4 will mitigate this vulnerability by only allowing Flatpak apps to create .desktop files for commands that do not start with --. The vulnerability is patched in 1.15.8, 1.10.9, 1.12.9, and 1.14.6.
References
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2024/04/18/5
security-advisories@github.comhttps://github.com/flatpak/flatpak/commit/72016e3fce8fcbeab707daf4f1a02b931fcc004d
security-advisories@github.comhttps://github.com/flatpak/flatpak/commit/81abe2a37d363f5099c3d0bdcd0caad6efc5bf97
security-advisories@github.comhttps://github.com/flatpak/flatpak/commit/b7c1a558e58aaeb1d007d29529bbb270dc4ff11e
security-advisories@github.comhttps://github.com/flatpak/flatpak/commit/bbab7ed1e672356d1a78b422462b210e8e875931
security-advisories@github.comhttps://github.com/flatpak/flatpak/security/advisories/GHSA-phv6-cpc2-2fgj
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IB6VQAF5S2YOBULDHPUKPOEIKONOP5KO/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFNSCFJVMAQK5AF55JBN7OSJP3CREDBD/
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/04/18/5
af854a3a-2127-422b-91ae-364da2661108https://github.com/flatpak/flatpak/commit/72016e3fce8fcbeab707daf4f1a02b931fcc004d
af854a3a-2127-422b-91ae-364da2661108https://github.com/flatpak/flatpak/commit/81abe2a37d363f5099c3d0bdcd0caad6efc5bf97
af854a3a-2127-422b-91ae-364da2661108https://github.com/flatpak/flatpak/commit/b7c1a558e58aaeb1d007d29529bbb270dc4ff11e
af854a3a-2127-422b-91ae-364da2661108https://github.com/flatpak/flatpak/commit/bbab7ed1e672356d1a78b422462b210e8e875931
af854a3a-2127-422b-91ae-364da2661108https://github.com/flatpak/flatpak/security/advisories/GHSA-phv6-cpc2-2fgj
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IB6VQAF5S2YOBULDHPUKPOEIKONOP5KO/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFNSCFJVMAQK5AF55JBN7OSJP3CREDBD/
Impacted products
Vendor Product Version
flatpak flatpak Version: < 1.10.9
Version: >= 1.12.0, < 1.12.9
Version: >= 1.14.0, < 1.14.6
Version: >= 1.15.0, < 1.15.8
 Create a notification for this product.
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It\u0027s possible to pass an arbitrary `commandline` to the portal interface `org.freedesktop.portal.Background.RequestBackground` from within a Flatpak app. When this is converted into a `--command` and arguments, it achieves the same effect of passing arguments directly to `bwrap`, and thus can be used for a sandbox escape. The solution is to pass the `--` argument to `bwrap`, which makes it stop processing options. This has been supported since bubblewrap 0.3.0. All supported versions of Flatpak require at least that version of bubblewrap. xdg-desktop-portal version 1.18.4 will mitigate this vulnerability by only allowing Flatpak apps to create .desktop files for commands that do not start with --. The vulnerability is patched in 1.15.8, 1.10.9, 1.12.9, and 1.14.6.\"},{\"lang\":\"es\",\"value\":\"Flatpak es un sistema para crear, distribuir y ejecutar aplicaciones de escritorio en espacio aislado en Linux. en versiones anteriores a la 1.10.9, 1.12.9, 1.14.6 y 1.15.8, una aplicaci\u00f3n Flatpak maliciosa o comprometida podr\u00eda ejecutar c\u00f3digo arbitrario fuera de su zona de pruebas. Normalmente, el argumento `--command` de `flatpak run` espera recibir un comando para ejecutar en la aplicaci\u00f3n Flatpak especificada, opcionalmente junto con algunos argumentos. Sin embargo, es posible pasar argumentos `bwrap` a `--command=`, como `--bind`. Es posible pasar una \\\"l\u00ednea de comando\\\" arbitraria a la interfaz del portal \\\"org.freedesktop.portal.Background.RequestBackground\\\" desde una aplicaci\u00f3n Flatpak. Cuando esto se convierte en un `--command` y argumentos, logra el mismo efecto de pasar argumentos directamente a `bwrap` y, por lo tanto, puede usarse para un escape sandbox. La soluci\u00f3n es pasar el argumento `--` a `bwrap`, lo que hace que deje de procesar las opciones. Esto ha sido compatible desde bubblewrap 0.3.0. Todas las versiones compatibles de Flatpak requieren al menos esa versi\u00f3n de bubblewrap. xdg-desktop-portal versi\u00f3n 1.18.4 mitigar\u00e1 esta vulnerabilidad al permitir que las aplicaciones Flatpak solo creen archivos .desktop para comandos que no comiencen con --. La vulnerabilidad est\u00e1 parcheada en 1.15.8, 1.10.9, 1.12.9 y 1.14.6.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N\",\"baseScore\":8.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.0,\"impactScore\":5.8}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-88\"}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2024/04/18/5\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/flatpak/flatpak/commit/72016e3fce8fcbeab707daf4f1a02b931fcc004d\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/flatpak/flatpak/commit/81abe2a37d363f5099c3d0bdcd0caad6efc5bf97\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/flatpak/flatpak/commit/b7c1a558e58aaeb1d007d29529bbb270dc4ff11e\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/flatpak/flatpak/commit/bbab7ed1e672356d1a78b422462b210e8e875931\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/flatpak/flatpak/security/advisories/GHSA-phv6-cpc2-2fgj\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IB6VQAF5S2YOBULDHPUKPOEIKONOP5KO/\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFNSCFJVMAQK5AF55JBN7OSJP3CREDBD/\",\"source\":\"security-advisories@github.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/04/18/5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/flatpak/flatpak/commit/72016e3fce8fcbeab707daf4f1a02b931fcc004d\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/flatpak/flatpak/commit/81abe2a37d363f5099c3d0bdcd0caad6efc5bf97\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/flatpak/flatpak/commit/b7c1a558e58aaeb1d007d29529bbb270dc4ff11e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/flatpak/flatpak/commit/bbab7ed1e672356d1a78b422462b210e8e875931\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/flatpak/flatpak/security/advisories/GHSA-phv6-cpc2-2fgj\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IB6VQAF5S2YOBULDHPUKPOEIKONOP5KO/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFNSCFJVMAQK5AF55JBN7OSJP3CREDBD/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
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\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFNSCFJVMAQK5AF55JBN7OSJP3CREDBD/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IB6VQAF5S2YOBULDHPUKPOEIKONOP5KO/\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/04/18/5\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. in versions before 1.10.9, 1.12.9, 1.14.6, and 1.15.8, a malicious or compromised Flatpak app could execute arbitrary code outside its sandbox. Normally, the `--command` argument of `flatpak run` expects to be given a command to run in the specified Flatpak app, optionally along with some arguments. However it is possible to instead pass `bwrap` arguments to `--command=`, such as `--bind`. It\u0027s possible to pass an arbitrary `commandline` to the portal interface `org.freedesktop.portal.Background.RequestBackground` from within a Flatpak app. When this is converted into a `--command` and arguments, it achieves the same effect of passing arguments directly to `bwrap`, and thus can be used for a sandbox escape. The solution is to pass the `--` argument to `bwrap`, which makes it stop processing options. This has been supported since bubblewrap 0.3.0. All supported versions of Flatpak require at least that version of bubblewrap. xdg-desktop-portal version 1.18.4 will mitigate this vulnerability by only allowing Flatpak apps to create .desktop files for commands that do not start with --. 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}


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