CVE-2012-2417 (GCVE-0-2012-2417)

Vulnerability from cvelistv5 – Published: 2012-06-17 01:00 – Updated: 2024-08-06 19:34
VLAI?
Summary
PyCrypto before 2.6 does not produce appropriate prime numbers when using an ElGamal scheme to generate a key, which reduces the signature space or public key space and makes it easier for attackers to conduct brute force attacks to obtain the private key.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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      "published": "2012-06-17T03:41:40.763",
      "references": "[{\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081713.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081759.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081789.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://secunia.com/advisories/49263\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.debian.org/security/2012/dsa-2502\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2012:117\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2012/05/25/1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.osvdb.org/82279\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.securityfocus.com/bid/53687\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://bugs.launchpad.net/pycrypto/+bug/985164\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/75871\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://github.com/Legrandin/pycrypto/commit/9f912f13df99ad3421eff360d6a62d7dbec755c2\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\"]}, {\"url\": \"https://github.com/dlitz/pycrypto/blob/373ea760f21701b162e8c4912a66928ee30d401a/ChangeLog\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://hermes.opensuse.org/messages/15083589\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081713.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081759.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081789.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://secunia.com/advisories/49263\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.debian.org/security/2012/dsa-2502\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2012:117\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2012/05/25/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.osvdb.org/82279\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securityfocus.com/bid/53687\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugs.launchpad.net/pycrypto/+bug/985164\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/75871\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://github.com/Legrandin/pycrypto/commit/9f912f13df99ad3421eff360d6a62d7dbec755c2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Patch\"]}, {\"url\": \"https://github.com/dlitz/pycrypto/blob/373ea760f21701b162e8c4912a66928ee30d401a/ChangeLog\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://hermes.opensuse.org/messages/15083589\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-310\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2012-2417\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2012-06-17T03:41:40.763\",\"lastModified\":\"2025-04-11T00:51:21.963\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"PyCrypto before 2.6 does not produce appropriate prime numbers when using an ElGamal scheme to generate a key, which reduces the signature space or public key space and makes it easier for attackers to conduct brute force attacks to obtain the private key.\"},{\"lang\":\"es\",\"value\":\"Pycrypto anterior a v2.6 no genera adecuadamente los n\u00fameros primos cuando se utiliza un esquema basado en ElGamal para generar una clave, lo que reduce el espacio de la firma o el espacio de claves p\u00fablica y hace m\u00e1s f\u00e1cil para los atacantes para llevar a cabo ataques de fuerza bruta para obtener la clave 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  }
}


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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.