cve-2016-6329
Vulnerability from cvelistv5
Published
2017-01-31 22:00
Modified
2024-08-06 01:29
Severity ?
EPSS score ?
Summary
OpenVPN, when using a 64-bit block cipher, makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTP-over-OpenVPN session using Blowfish in CBC mode, aka a "Sweet32" attack.
References
▼ | URL | Tags | |
---|---|---|---|
secalert@redhat.com | http://www-01.ibm.com/support/docview.wss?uid=nas8N1021697 | Permissions Required, Third Party Advisory | |
secalert@redhat.com | http://www-01.ibm.com/support/docview.wss?uid=swg21991482 | Third Party Advisory | |
secalert@redhat.com | http://www-01.ibm.com/support/docview.wss?uid=swg21995039 | Third Party Advisory | |
secalert@redhat.com | http://www.securityfocus.com/bid/92631 | Third Party Advisory, VDB Entry | |
secalert@redhat.com | http://www.securitytracker.com/id/1036695 | Third Party Advisory, VDB Entry | |
secalert@redhat.com | https://cert-portal.siemens.com/productcert/pdf/ssa-556833.pdf | ||
secalert@redhat.com | https://community.openvpn.net/openvpn/wiki/SWEET32 | Vendor Advisory | |
secalert@redhat.com | https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05369403 | Third Party Advisory | |
secalert@redhat.com | https://security.gentoo.org/glsa/201611-02 | Third Party Advisory | |
secalert@redhat.com | https://sweet32.info/ | Technical Description, Third Party Advisory |
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"x_transferred" ], "url": "https://community.openvpn.net/openvpn/wiki/SWEET32" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "http://www-01.ibm.com/support/docview.wss?uid=nas8N1021697" }, { "name": "92631", "tags": [ "vdb-entry", "x_refsource_BID", "x_transferred" ], "url": "http://www.securityfocus.com/bid/92631" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-556833.pdf" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "datePublic": "2016-08-24T00:00:00", "descriptions": [ { "lang": "en", "value": "OpenVPN, when using a 64-bit block cipher, makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTP-over-OpenVPN session using Blowfish in CBC mode, aka a \"Sweet32\" attack." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2019-07-09T12:06:03", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://sweet32.info/" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05369403" }, { "name": "1036695", "tags": [ "vdb-entry", "x_refsource_SECTRACK" ], "url": "http://www.securitytracker.com/id/1036695" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21995039" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21991482" }, { "name": "GLSA-201611-02", "tags": [ "vendor-advisory", "x_refsource_GENTOO" ], "url": "https://security.gentoo.org/glsa/201611-02" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://community.openvpn.net/openvpn/wiki/SWEET32" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://www-01.ibm.com/support/docview.wss?uid=nas8N1021697" }, { "name": "92631", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/92631" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-556833.pdf" } ] } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2016-6329", "datePublished": "2017-01-31T22:00:00", "dateReserved": "2016-07-26T00:00:00", "dateUpdated": "2024-08-06T01:29:18.449Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2016-6329\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2017-01-31T22:59:00.377\",\"lastModified\":\"2019-07-09T13:15:11.243\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"OpenVPN, when using a 64-bit block cipher, makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTP-over-OpenVPN session using Blowfish in CBC mode, aka a \\\"Sweet32\\\" attack.\"},{\"lang\":\"es\",\"value\":\"OpenVPN, cuando utiliza un cifrado de bloques de 64 bits, facilita a atacantes remotos obtener datos de texto plano a trav\u00e9s de un ataque birthday contra una sesi\u00f3n encriptada de larga duraci\u00f3n, como lo demuestra una sesi\u00f3n HTTP-over-OpenVPN usando Blowfish en modo CBC, tambi\u00e9n conocido como ataque \\\"Sweet32\\\".\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:N/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.3},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"},{\"lang\":\"en\",\"value\":\"CWE-310\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.3.14\",\"matchCriteriaId\":\"2B92389B-7815-40EC-AA21-14154621BFAC\"}]}]}],\"references\":[{\"url\":\"http://www-01.ibm.com/support/docview.wss?uid=nas8N1021697\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Permissions 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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.