CVE-2011-4354 (GCVE-0-2011-4354)

Vulnerability from cvelistv5 – Published: 2012-01-27 00:00 – Updated: 2024-08-07 00:01
VLAI?
Summary
crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
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      "id": "CVE-2011-4354",
      "lastModified": "2024-11-21T01:32:17.897",
      "metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:P/A:N\", \"baseScore\": 5.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2012-01-27T00:55:01.033",
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    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2011-4354\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2012-01-27T00:55:01.033\",\"lastModified\":\"2025-04-11T00:51:21.963\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.\"},{\"lang\":\"es\",\"value\":\"crypto/bn/bn_nist.c en OpenSSL anterior a v0.9.8h en plataformas de 32 bits, como se utiliza en stunnel y otros productos, en determinadas circunstancias, la participaci\u00f3n ECDH o suites ECDHE cifrado, utiliza un algoritmo de reducci\u00f3n incorrecta modular en la aplicaci\u00f3n de la P-256 y P 384-NIST el\u00edptica curvas, lo que permite a atacantes remotos obtener la clave privada de un servidor de TLS a trav\u00e9s de m\u00faltiples intentos de apret\u00f3n de manos.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:N\",\"baseScore\":5.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-310\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:x86:*\",\"versionEndIncluding\":\"0.9.8g\",\"matchCriteriaId\":\"9AEAB1A1-9613-449E-BCF4-3DE365582EB0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"738E2D3C-1C7D-4F85-B0DE-608BB5059337\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"140B617A-2414-4D1A-98A4-3CA8D76F5122\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"99EBBB96-8089-4A3C-BD30-9684823B42E5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"3B39A92A-C78D-4007-9FFF-BF37949793F8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"A29D0ACA-711C-4E8B-9604-68889E05EE2C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"D1CB6460-8A55-4C5E-BEB5-153697A82A47\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:x86:*\",\"matchCriteriaId\":\"F3372BA6-62FD-434F-89EB-11B63114A1E1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:x86:*\",\"matchCriteriaId\":\"A007DA0C-4269-4E36-9082-097CEB76E65D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"B7B9FF7F-E455-4774-94C2-1A456CA9E732\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:x86:*\",\"matchCriteriaId\":\"21EB68D7-DFC7-4EE4-A316-6088800885F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:x86:*\",\"matchCriteriaId\":\"4414272F-3D22-4C84-884D-5FB803CC7CC6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"392AAE2E-16F7-4454-BD0C-9D850234370C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:x86:*\",\"matchCriteriaId\":\"CB0A2D5D-019A-4E62-9FC0-663E0866DFE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:x86:*\",\"matchCriteriaId\":\"0B4F12DC-85F2-4A7B-B13A-876DEDA1DD2D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:x86:*\",\"matchCriteriaId\":\"E53DAA27-F643-4129-B0C7-7480C6970A26\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"6DAE038E-4051-4B41-960C-7692EF5B1EB1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:x86:*\",\"matchCriteriaId\":\"9B929792-45CC-4D23-B598-2759FD9745E5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6a:beta2:*:*:*:*:x86:*\",\"matchCriteriaId\":\"4D38BAC5-5DAC-4D01-8DC1-E220D770FBD0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:x86:*\",\"matchCriteriaId\":\"51B2B652-5BAE-4FB2-8A29-8A6024298FEA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"68BCE929-22C4-49AB-A8A4-6D4CE9810538\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"454F3308-7579-4A10-9468-B083BAD0F888\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"1C844D0A-9CDD-4776-BF63-35D3BFBABC20\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"49AADE06-D464-49E3-892C-900F216AD23A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"92D0FD74-AF88-4947-A90F-1CD17D628ABE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"D63F3A33-0E25-4CA0-82F1-51E9A8457A17\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:x86:*\",\"matchCriteriaId\":\"26C8F4C9-3E87-4196-B074-6DEB60ACD4DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:x86:*\",\"matchCri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source\":\"secalert@redhat.com\"},{\"url\":\"http://marc.info/?t=119271238800004\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://openwall.com/lists/oss-security/2011/12/01/6\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://rt.openssl.org/Ticket/Display.html?id=1593\u0026user=guest\u0026pass=guest\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.debian.org/security/2012/dsa-2390\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=757909\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c\u0026v1=1.14\u0026v2=1.21\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://eprint.iacr.org/2011/633\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://marc.info/?t=119271238800004\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://openwall.com/lists/oss-security/2011/12/01/6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rt.openssl.org/Ticket/Display.html?id=1593\u0026user=guest\u0026pass=guest\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.debian.org/security/2012/dsa-2390\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=757909\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.