cve-2023-27594
Vulnerability from cvelistv5
Published
2023-03-17 19:56
Modified
2024-08-02 12:16
Severity ?
EPSS score ?
Summary
Cilium vulnerable to potential network policy bypass when routing IPv6 traffic
References
Impacted products
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-02T12:16:35.954Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "name": "https://github.com/cilium/cilium/security/advisories/GHSA-8fg8-jh2h-f2hc", "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/cilium/cilium/security/advisories/GHSA-8fg8-jh2h-f2hc" }, { "name": "https://github.com/cilium/cilium/releases/tag/v1.11.15", "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/cilium/cilium/releases/tag/v1.11.15" }, { "name": "https://github.com/cilium/cilium/releases/tag/v1.12.8", "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/cilium/cilium/releases/tag/v1.12.8" }, { "name": "https://github.com/cilium/cilium/releases/tag/v1.13.1", "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/cilium/cilium/releases/tag/v1.13.1" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "cilium", "vendor": "cilium", "versions": [ { "status": "affected", "version": "\u003c 1.11.15" }, { "status": "affected", "version": "\u003e= 1.12.0, \u003c 1.12.8" }, { "status": "affected", "version": "\u003e= 1.13.0, \u003c 1.13.1" } ] } ], "descriptions": [ { "lang": "en", "value": "Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.11.15, 1.12.8, and 1.13.1, under specific conditions, Cilium may misattribute the source IP address of traffic to a cluster, identifying external traffic as coming from the host on which Cilium is running. As a consequence, network policies for that cluster might be bypassed, depending on the specific network policies enabled.\n\nThis issue only manifests when Cilium is routing IPv6 traffic and NodePorts are used to route traffic to pods. IPv6 and endpoint routes are both disabled by default.\n\nThe problem has been fixed and is available on versions 1.11.15, 1.12.8, and 1.13.1. As a workaround, disable IPv6 routing." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-285", "description": "CWE-285: Improper Authorization", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-03-17T19:56:43.687Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/cilium/cilium/security/advisories/GHSA-8fg8-jh2h-f2hc", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/cilium/cilium/security/advisories/GHSA-8fg8-jh2h-f2hc" }, { "name": "https://github.com/cilium/cilium/releases/tag/v1.11.15", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/cilium/cilium/releases/tag/v1.11.15" }, { "name": "https://github.com/cilium/cilium/releases/tag/v1.12.8", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/cilium/cilium/releases/tag/v1.12.8" }, { "name": "https://github.com/cilium/cilium/releases/tag/v1.13.1", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/cilium/cilium/releases/tag/v1.13.1" } ], "source": { "advisory": "GHSA-8fg8-jh2h-f2hc", "discovery": "UNKNOWN" }, "title": "Cilium vulnerable to potential network policy bypass when routing IPv6 traffic " } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2023-27594", "datePublished": "2023-03-17T19:56:43.687Z", "dateReserved": "2023-03-04T01:03:53.636Z", "dateUpdated": "2024-08-02T12:16:35.954Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-27594\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2023-03-17T20:15:13.583\",\"lastModified\":\"2024-11-21T07:53:13.370\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.11.15, 1.12.8, and 1.13.1, under specific conditions, Cilium may misattribute the source IP address of traffic to a cluster, identifying external traffic as coming from the host on which Cilium is running. As a consequence, network policies for that cluster might be bypassed, depending on the specific network policies enabled.\\n\\nThis issue only manifests when Cilium is routing IPv6 traffic and NodePorts are used to route traffic to pods. IPv6 and endpoint routes are both disabled by default.\\n\\nThe problem has been fixed and is available on versions 1.11.15, 1.12.8, and 1.13.1. As a workaround, disable IPv6 routing.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":4.2,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.6,\"impactScore\":2.5},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":7.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":3.4}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-285\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-863\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cilium:cilium:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.11.15\",\"matchCriteriaId\":\"7726ABC1-0140-46EA-ACDD-44B09826648E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cilium:cilium:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.12.0\",\"versionEndExcluding\":\"1.12.8\",\"matchCriteriaId\":\"30E4F1B2-07F4-47AC-8535-553DFF9877C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cilium:cilium:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.13.0\",\"versionEndExcluding\":\"1.13.1\",\"matchCriteriaId\":\"C27C25C7-4E92-48FA-AD06-F4409E57431A\"}]}]}],\"references\":[{\"url\":\"https://github.com/cilium/cilium/releases/tag/v1.11.15\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/cilium/cilium/releases/tag/v1.12.8\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/cilium/cilium/releases/tag/v1.13.1\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/cilium/cilium/security/advisories/GHSA-8fg8-jh2h-f2hc\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/cilium/cilium/releases/tag/v1.11.15\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/cilium/cilium/releases/tag/v1.12.8\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/cilium/cilium/releases/tag/v1.13.1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/cilium/cilium/security/advisories/GHSA-8fg8-jh2h-f2hc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}" } }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
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.