{
	"document":{
		"aggregate_severity":{
			"namespace":"https://nvd.nist.gov/vuln-metrics/cvss",
			"text":"Medium"
		},
		"category":"csaf_vex",
		"csaf_version":"2.0",
		"distribution":{
			"tlp":{
				"label":"WHITE",
				"url":"https:/www.first.org/tlp/"
			}
		},
		"lang":"en",
		"notes":[
			{
				"text":"flatpak-builder security update",
				"category":"general",
				"title":"Synopsis"
			},
			{
				"text":"An update for flatpak-builder is now available for openEuler-22.03-LTS.",
				"category":"general",
				"title":"Summary"
			},
			{
				"text":"Flatpak-builder is a tool for building flatpaks from sources.\n\nSecurity Fix(es):\n\nFlatpak is a Linux application sandboxing and distribution framework. A path traversal vulnerability affects versions of Flatpak prior to 1.12.3 and 1.10.6. flatpak-builder applies `finish-args` last in the build. At this point the build directory will have the full access that is specified in the manifest, so running `flatpak build` against it will gain those permissions. Normally this will not be done, so this is not problem. However, if `--mirror-screenshots-url` is specified, then flatpak-builder will launch `flatpak build --nofilesystem=host appstream-utils mirror-screenshots` after finalization, which can lead to issues even with the `--nofilesystem=host` protection. In normal use, the only issue is that these empty directories can be created wherever the user has write permissions. However, a malicious application could replace the `appstream-util` binary and potentially do something more hostile. This has been resolved in Flatpak 1.12.3 and 1.10.6 by changing the behaviour of `--nofilesystem=home` and `--nofilesystem=host`.(CVE-2022-21682)",
				"category":"general",
				"title":"Description"
			},
			{
				"text":"An update for flatpak-builder is now available for openEuler-22.03-LTS.\n\nopenEuler Security has rated this update as having a security impact of medium. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.",
				"category":"general",
				"title":"Topic"
			},
			{
				"text":"Medium",
				"category":"general",
				"title":"Severity"
			},
			{
				"text":"flatpak-builder",
				"category":"general",
				"title":"Affected Component"
			}
		],
		"publisher":{
			"issuing_authority":"openEuler security committee",
			"name":"openEuler",
			"namespace":"https://www.openeuler.org",
			"contact_details":"openeuler-security@openeuler.org",
			"category":"vendor"
		},
		"references":[
			{
				"summary":"openEuler-SA-2022-1788",
				"category":"self",
				"url":"https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1788"
			},
			{
				"summary":"CVE-2022-21682",
				"category":"self",
				"url":"https://www.openeuler.org/en/security/cve/detail?cveId=CVE-2022-21682&packageName=flatpak-builder"
			},
			{
				"summary":"nvd cve",
				"category":"external",
				"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21682"
			},
			{
				"summary":"openEuler-SA-2022-1788 vex file",
				"category":"self",
				"url":"https://repo.openeuler.org/security/data/csaf/advisories/2022/csaf-openeuler-sa-2022-1788.json"
			}
		],
		"title":"An update for flatpak-builder is now available for openEuler-22.03-LTS",
		"tracking":{
			"initial_release_date":"2022-07-30T09:42:43+08:00",
			"revision_history":[
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					"date":"2022-07-30T09:42:43+08:00",
					"summary":"Initial",
					"number":"1.0.0"
				},
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					"date":"2024-10-31T09:42:43+08:00",
					"summary":"final",
					"number":"2.0.0"
				}
			],
			"generator":{
				"date":"2024-10-31T09:42:43+08:00",
				"engine":{
					"name":"openEuler CSAF Tool V1.0"
				}
			},
			"current_release_date":"2024-10-31T09:42:43+08:00",
			"id":"openEuler-SA-2022-1788",
			"version":"2.0.0",
			"status":"final"
		}
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				"product_reference":"flatpak-builder-debugsource-1.0.14-2.oe2203.aarch64.rpm",
				"full_product_name":{
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	"vulnerabilities":[
		{
			"cve":"CVE-2022-21682",
			"notes":[
				{
					"text":"Flatpak is a Linux application sandboxing and distribution framework. A path traversal vulnerability affects versions of Flatpak prior to 1.12.3 and 1.10.6. flatpak-builder applies `finish-args` last in the build. At this point the build directory will have the full access that is specified in the manifest, so running `flatpak build` against it will gain those permissions. Normally this will not be done, so this is not problem. However, if `--mirror-screenshots-url` is specified, then flatpak-builder will launch `flatpak build --nofilesystem=host appstream-utils mirror-screenshots` after finalization, which can lead to issues even with the `--nofilesystem=host` protection. In normal use, the only issue is that these empty directories can be created wherever the user has write permissions. However, a malicious application could replace the `appstream-util` binary and potentially do something more hostile. This has been resolved in Flatpak 1.12.3 and 1.10.6 by changing the behaviour of `--nofilesystem=home` and `--nofilesystem=host`.",
					"category":"description",
					"title":"Vulnerability Description"
				}
			],
			"product_status":{
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					"details":"flatpak-builder security update",
					"category":"vendor_fix",
					"url":"https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1788"
				}
			],
			"scores":[
				{
					"cvss_v3":{
						"baseSeverity":"MEDIUM",
						"baseScore":6.5,
						"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
						"version":"3.1"
					},
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						"openEuler-22.03-LTS:flatpak-builder-1.0.14-2.oe2203.x86_64",
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			],
			"threats":[
				{
					"details":"Medium",
					"category":"impact"
				}
			],
			"title":"CVE-2022-21682"
		}
	]
}