CVE-2021-31607
Vulnerability from cvelistv5
Published
2021-04-23 00:00
Modified
2024-08-03 23:03
Severity ?
EPSS score ?
0.06%
(0.26284)
Summary
In SaltStack Salt 2016.9 through 3002.6, a command injection vulnerability exists in the snapper module that allows for local privilege escalation on a minion. The attack requires that a file is created with a pathname that is backed up by snapper, and that the master calls the snapper.diff function (which executes popen unsafely).
References
{ containers: { adp: [ { providerMetadata: { dateUpdated: "2024-08-03T23:03:33.642Z", orgId: "af854a3a-2127-422b-91ae-364da2661108", shortName: "CVE", }, references: [ { tags: [ "x_transferred", ], url: "https://sec.stealthcopter.com/saltstack-snapper-minion-privledge-escaltion/", }, { name: "FEDORA-2021-5aaebdae8e", tags: [ "vendor-advisory", "x_transferred", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDKMAJXYFHM4USVX3H5V2GCCBGASWUSM/", }, { name: "FEDORA-2021-00ada7e667", tags: [ "vendor-advisory", "x_transferred", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ/", }, { name: "FEDORA-2021-93a7c8b7c6", tags: [ "vendor-advisory", "x_transferred", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT/", }, { name: "FEDORA-2021-158e9c6eb9", tags: [ "vendor-advisory", "x_transferred", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/", }, { name: "[debian-lts-announce] 20211110 [SECURITY] [DLA 2815-1] salt security update", tags: [ "mailing-list", "x_transferred", ], url: "https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html", }, { name: "DSA-5011", tags: [ "vendor-advisory", "x_transferred", ], url: "https://www.debian.org/security/2021/dsa-5011", }, { name: "GLSA-202310-22", tags: [ "vendor-advisory", "x_transferred", ], url: "https://security.gentoo.org/glsa/202310-22", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { product: "n/a", vendor: "n/a", versions: [ { status: "affected", version: "n/a", }, ], }, ], descriptions: [ { lang: "en", value: "In SaltStack Salt 2016.9 through 3002.6, a command injection vulnerability exists in the snapper module that allows for local privilege escalation on a minion. The attack requires that a file is created with a pathname that is backed up by snapper, and that the master calls the snapper.diff function (which executes popen unsafely).", }, ], problemTypes: [ { descriptions: [ { description: "n/a", lang: "en", type: "text", }, ], }, ], providerMetadata: { dateUpdated: "2023-10-31T13:06:42.625848", orgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca", shortName: "mitre", }, references: [ { url: "https://sec.stealthcopter.com/saltstack-snapper-minion-privledge-escaltion/", }, { name: "FEDORA-2021-5aaebdae8e", tags: [ "vendor-advisory", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDKMAJXYFHM4USVX3H5V2GCCBGASWUSM/", }, { name: "FEDORA-2021-00ada7e667", tags: [ "vendor-advisory", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ/", }, { name: "FEDORA-2021-93a7c8b7c6", tags: [ "vendor-advisory", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT/", }, { name: "FEDORA-2021-158e9c6eb9", tags: [ "vendor-advisory", ], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/", }, { name: "[debian-lts-announce] 20211110 [SECURITY] [DLA 2815-1] salt security update", tags: [ "mailing-list", ], url: "https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html", }, { name: "DSA-5011", tags: [ "vendor-advisory", ], url: "https://www.debian.org/security/2021/dsa-5011", }, { name: "GLSA-202310-22", tags: [ "vendor-advisory", ], url: "https://security.gentoo.org/glsa/202310-22", }, ], }, }, cveMetadata: { assignerOrgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca", assignerShortName: "mitre", cveId: "CVE-2021-31607", datePublished: "2021-04-23T00:00:00", dateReserved: "2021-04-23T00:00:00", dateUpdated: "2024-08-03T23:03:33.642Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { nvd: "{\"cve\":{\"id\":\"CVE-2021-31607\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-04-23T06:15:07.893\",\"lastModified\":\"2024-11-21T06:05:59.270\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In SaltStack Salt 2016.9 through 3002.6, a command injection vulnerability exists in the snapper module that allows for local privilege escalation on a minion. The attack requires that a file is created with a pathname that is backed up by snapper, and that the master calls the snapper.diff function (which executes popen unsafely).\"},{\"lang\":\"es\",\"value\":\"En SaltStack Salt versiones 2016.9 hasta 3002.6, se presenta una vulnerabilidad de inyección de comando en el módulo snapper que permite una escalada local de privilegios en un minion. El ataque requiere que sea creado un archivo con un nombre de ruta respaldado por snapper, y que el maestro llame a la función snapper.diff (que ejecuta popen de manera no segura)\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":4.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-78\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2016.9\",\"versionEndIncluding\":\"3002.6\",\"matchCriteriaId\":\"4356368B-804F-4201-85FA-BDF1F66DEDD6\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A930E247-0B43-43CB-98FF-6CE7B8189835\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80E516C0-98A4-4ADE-B69F-66A772E2BAAA\"}]}]}],\"references\":[{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing 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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.