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{"id": "OPENSUSE-SU-2020:1770-1", "vendorId": null, "type": "suse", "bulletinFamily": "unix", "title": "Security update for singularity (important)", "description": "An update that fixes one vulnerability is now available.\n\nDescription:\n\n This update for singularity fixes the following issues:\n\n Update to new version 3.6.4:\n\n - CVE-2020-15229: Due to insecure handling of path traversal and the lack\n of path sanitization within unsquashfs, it is possible to\n overwrite/create files on the host filesystem during the extraction of a\n crafted squashfs filesystem (boo#1177901).\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.2:\n\n zypper in -t patch openSUSE-2020-1770=1", "published": "2020-10-29T00:00:00", "modified": "2020-10-29T00:00:00", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 5.8}, "severity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL"}, "exploitabilityScore": 2.8, "impactScore": 5.8}, "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/WNVFYEARGBVAQBFQWF2QYIVBZW76G7CP/", "reporter": "Suse", "references": [], "cvelist": ["CVE-2020-15229"], "immutableFields": [], "lastseen": "2022-08-18T10:06:30", "viewCount": 25, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2020-15229"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2020-15229"]}, {"type": "github", "idList": ["GHSA-7GCP-W6WW-2XV9"]}, {"type": "nessus", "idList": ["OPENSUSE-2020-1769.NASL", "OPENSUSE-2020-1770.NASL"]}, {"type": "osv", "idList": ["OSV:GHSA-7GCP-W6WW-2XV9"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2020:1769-1", "OPENSUSE-SU-2020:1814-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2020-15229"]}, {"type": "veracode", "idList": ["VERACODE:27580"]}]}, "score": {"value": 1.7, "vector": "NONE"}, "backreferences": {"references": [{"type": "cve", "idList": ["CVE-2020-15229"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2020-15229"]}, {"type": "github", "idList": ["GHSA-7GCP-W6WW-2XV9"]}, {"type": "nessus", "idList": ["OPENSUSE-2020-1769.NASL", "OPENSUSE-2020-1770.NASL"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2020:1769-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2020-15229"]}]}, "exploitation": null, "vulnersScore": 1.7}, "_state": {"dependencies": 1660817500, "score": 1660817700}, "_internal": {"score_hash": "4aebc801049bc637952ef063881aa07b"}, "affectedPackage": [{"OS": "openSUSE Leap", "OSVersion": "15.2", "arch": "x86_64", "operator": "lt", "packageVersion": "- openSUSE Leap 15.2 (x86_64):", "packageFilename": "- openSUSE Leap 15.2 (x86_64):.x86_64.rpm", "packageName": ""}]}

{"debiancve": [{"lastseen": "2022-08-10T06:08:31", "description": "Singularity (an open source container platform) from version 3.1.1 through 3.6.3 has a vulnerability. Due to insecure handling of path traversal and the lack of path sanitization within `unsquashfs`, it is possible to overwrite/create any files on the host filesystem during the extraction with a crafted squashfs filesystem. The extraction occurs automatically for unprivileged (either installation or with `allow setuid = no`) run of Singularity when a user attempt to run an image which is a local SIF image or a single file containing a squashfs filesystem and is coming from remote sources `library://` or `shub://`. Image build is also impacted in a more serious way as it can be used by a root user, allowing an attacker to overwrite/create files leading to a system compromise, so far bootstrap methods `library`, `shub` and `localimage` are triggering the squashfs extraction. This issue is addressed in Singularity 3.6.4. All users are advised to upgrade to 3.6.4 especially if they use Singularity mainly for building image as root user. There is no solid workaround except to temporary avoid to use unprivileged mode with single file images in favor of sandbox images instead. Regarding image build, temporary avoid to build from `library` and `shub` sources and as much as possible use `--fakeroot` or a VM for that.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.8}, "published": "2020-10-14T19:15:00", "type": "debiancve", "title": "CVE-2020-15229", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15229"], "modified": "2020-10-14T19:15:00", "id": "DEBIANCVE:CVE-2020-15229", "href": "https://security-tracker.debian.org/tracker/CVE-2020-15229", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "veracode": [{"lastseen": "2022-07-26T16:31:17", "description": "github.com/hpcng/singularity is vulnerable to path traversal. The vulnerability exists due to lack of path sanitization within `unsquashfs`, leading to unauthorized file creation/overwriting on the host filesystem during the extraction of a malicious squashfs filesystem. \n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.8}, "published": "2020-10-15T01:18:15", "type": "veracode", "title": "Path Traversal", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15229"], "modified": "2021-05-25T06:10:05", "id": "VERACODE:27580", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-27580/summary", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "osv": [{"lastseen": "2022-05-12T01:13:44", "description": "### Impact\n\nDue to insecure handling of path traversal and the lack of path sanitization within `unsquashfs` (a distribution provided utility used by Singularity), it is possible to overwrite/create any files on the host filesystem during the extraction of a crafted squashfs filesystem.\n\nSquashfs extraction occurs automatically for unprivileged execution of Singularity (either `--without-suid` installation or with `allow setuid = no`) when a user attempts to run an image which:\n\n- is a local SIF image or a single file containing a squashfs filesystem\n- is pulled from remote sources `library://` or `shub://`\n\nImage build is also impacted in a more serious way as it is often performed by the root user, allowing an attacker to overwrite/create files leading to a system compromise. Bootstrap methods `library`, `shub` and `localimage` trigger a squashfs extraction.\n\n### Patches\n\nThis issue is addressed in Singularity 3.6.4.\n\nAll users are advised to upgrade to 3.6.4 especially if they use Singularity mainly for building image as root user.\n\n### Workarounds\n\nThere is no solid workaround except to temporarily avoid use of unprivileged mode with single file images, in favor of sandbox images instead. Regarding image build, temporarily avoid building from `library` and `shub` sources, and as much as possible use `--fakeroot` or a VM to limit potential impact.\n\n### For more information\n\nGeneral questions about the impact of the advisory / changes made in the 3.6.0 release can be asked in the:\n\n* [Singularity Slack Channel](https://bit.ly/2m0g3lX)\n* [Singularity Mailing List](https://groups.google.com/a/lbl.gov/forum/??sdf%7Csort:date#!forum/singularity)\n\nAny sensitive security concerns should be directed to: security@sylabs.io\n\nSee our Security Policy here: https://sylabs.io/security-policy", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.8}, "published": "2021-05-24T16:59:53", "type": "osv", "title": "Path traversal and files overwrite with unsquashfs in singularity", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15229"], "modified": "2021-05-21T22:17:06", "id": "OSV:GHSA-7GCP-W6WW-2XV9", "href": "https://osv.dev/vulnerability/GHSA-7gcp-w6ww-2xv9", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "ubuntucve": [{"lastseen": "2022-08-04T13:25:38", "description": "Singularity (an open source container platform) from version 3.1.1 through\n3.6.3 has a vulnerability. Due to insecure handling of path traversal and\nthe lack of path sanitization within `unsquashfs`, it is possible to\noverwrite/create any files on the host filesystem during the extraction\nwith a crafted squashfs filesystem. The extraction occurs automatically for\nunprivileged (either installation or with `allow setuid = no`) run of\nSingularity when a user attempt to run an image which is a local SIF image\nor a single file containing a squashfs filesystem and is coming from remote\nsources `library://` or `shub://`. Image build is also impacted in a more\nserious way as it can be used by a root user, allowing an attacker to\noverwrite/create files leading to a system compromise, so far bootstrap\nmethods `library`, `shub` and `localimage` are triggering the squashfs\nextraction. This issue is addressed in Singularity 3.6.4. All users are\nadvised to upgrade to 3.6.4 especially if they use Singularity mainly for\nbuilding image as root user. There is no solid workaround except to\ntemporary avoid to use unprivileged mode with single file images in favor\nof sandbox images instead. Regarding image build, temporary avoid to build\nfrom `library` and `shub` sources and as much as possible use `--fakeroot`\nor a VM for that.\n\n#### Bugs\n\n * <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=972212>\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.8}, "published": "2020-10-14T00:00:00", "type": "ubuntucve", "title": "CVE-2020-15229", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15229"], "modified": "2020-10-14T00:00:00", "id": "UB:CVE-2020-15229", "href": "https://ubuntu.com/security/CVE-2020-15229", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "cve": [{"lastseen": "2022-03-23T13:40:10", "description": "Singularity (an open source container platform) from version 3.1.1 through 3.6.3 has a vulnerability. Due to insecure handling of path traversal and the lack of path sanitization within `unsquashfs`, it is possible to overwrite/create any files on the host filesystem during the extraction with a crafted squashfs filesystem. The extraction occurs automatically for unprivileged (either installation or with `allow setuid = no`) run of Singularity when a user attempt to run an image which is a local SIF image or a single file containing a squashfs filesystem and is coming from remote sources `library://` or `shub://`. Image build is also impacted in a more serious way as it can be used by a root user, allowing an attacker to overwrite/create files leading to a system compromise, so far bootstrap methods `library`, `shub` and `localimage` are triggering the squashfs extraction. This issue is addressed in Singularity 3.6.4. All users are advised to upgrade to 3.6.4 especially if they use Singularity mainly for building image as root user. There is no solid workaround except to temporary avoid to use unprivileged mode with single file images in favor of sandbox images instead. Regarding image build, temporary avoid to build from `library` and `shub` sources and as much as possible use `--fakeroot` or a VM for that.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.8}, "published": "2020-10-14T19:15:00", "type": "cve", "title": "CVE-2020-15229", "cwe": ["CWE-22"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15229"], "modified": "2020-11-02T21:15:00", "cpe": ["cpe:/a:sylabs:singularity:3.6.3"], "id": "CVE-2020-15229", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-15229", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}, "cpe23": ["cpe:2.3:a:sylabs:singularity:3.6.3:*:*:*:*:*:*:*"]}], "nessus": [{"lastseen": "2022-06-23T15:08:11", "description": "This update for singularity fixes the following issues :\n\nUpdate to new version 3.6.4 :\n\n - 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Bootstrap methods `library`, `shub` and `localimage` trigger a squashfs extraction.\n\n### Patches\n\nThis issue is addressed in Singularity 3.6.4.\n\nAll users are advised to upgrade to 3.6.4 especially if they use Singularity mainly for building image as root user.\n\n### Workarounds\n\nThere is no solid workaround except to temporarily avoid use of unprivileged mode with single file images, in favor of sandbox images instead. Regarding image build, temporarily avoid building from `library` and `shub` sources, and as much as possible use `--fakeroot` or a VM to limit potential impact.\n\n### For more information\n\nGeneral questions about the impact of the advisory / changes made in the 3.6.0 release can be asked in the:\n\n* [Singularity Slack Channel](https://bit.ly/2m0g3lX)\n* [Singularity Mailing List](https://groups.google.com/a/lbl.gov/forum/??sdf%7Csort:date#!forum/singularity)\n\nAny sensitive security concerns should be directed to: security@sylabs.io\n\nSee our Security Policy here: https://sylabs.io/security-policy", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.8}, "published": "2021-05-24T16:59:53", "type": "github", "title": "Path traversal and files overwrite with unsquashfs in singularity", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-15229"], "modified": "2022-08-13T03:06:10", "id": "GHSA-7GCP-W6WW-2XV9", "href": "https://github.com/advisories/GHSA-7gcp-w6ww-2xv9", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}]}