CVE-2015-7940 (GCVE-0-2015-7940)

Vulnerability from cvelistv5 – Published: 2015-11-09 16:00 – Updated: 2024-08-06 08:06
VLAI?
Summary
The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attackers to obtain private keys via a series of crafted elliptic curve Diffie Hellman (ECDH) key exchanges, aka an "invalid curve attack."
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://rhn.redhat.com/errata/RHSA-2016-2035.html vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
https://www.oracle.com/technetwork/security-advis… x_refsource_CONFIRM
http://www.securityfocus.com/bid/79091 vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-2036.html vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
https://usn.ubuntu.com/3727-1/ vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2015/10/22/9 mailing-listx_refsource_MLIST
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
http://www.securitytracker.com/id/1037036 vdb-entryx_refsource_SECTRACK
http://www.openwall.com/lists/oss-security/2015/10/22/7 mailing-listx_refsource_MLIST
http://www.debian.org/security/2015/dsa-3417 vendor-advisoryx_refsource_DEBIAN
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
http://web-in-security.blogspot.ca/2015/09/practi… x_refsource_MISC
http://www.securitytracker.com/id/1037046 vdb-entryx_refsource_SECTRACK
http://www.securitytracker.com/id/1037053 vdb-entryx_refsource_SECTRACK
https://www.oracle.com/security-alerts/cpuapr2020.html x_refsource_MISC
Date Public ?
2015-09-15 00:00
Show details on NVD website
To clipboard 

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attackers to obtain private keys via a series of crafted elliptic curve Diffie Hellman (ECDH) key exchanges, aka an \\\"invalid curve attack.\\\"\"}, {\"lang\": \"es\", \"value\": \"La librer\\u00eda Bouncy Castle Java en versiones anteriores a 1.51 no valida un punto que se encuentra dentro de la curva el\\u00edptica, lo que facilita a atacantes remotos obtener claves privadas a trav\\u00e9s de una serie de intercambios de clave de curva el\\u00edptica Diffie Hellman (ECDH) manipulados, tambi\\u00e9n conocida como un \u0027ataque de curva no v\\u00e1lida\u0027.\"}]",
      "id": "CVE-2015-7940",
      "lastModified": "2024-11-21T02:37:42.203",
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      "published": "2015-11-09T16:59:09.277",
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      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-200\"}, {\"lang\": \"en\", \"value\": \"CWE-310\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2015-7940\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2015-11-09T16:59:09.277\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attackers to obtain private keys via a series of crafted elliptic curve Diffie Hellman (ECDH) key exchanges, aka an \\\"invalid curve attack.\\\"\"},{\"lang\":\"es\",\"value\":\"La librer\u00eda Bouncy Castle Java en versiones anteriores a 1.51 no valida un punto que se encuentra dentro de la curva el\u00edptica, lo que facilita a atacantes remotos obtener claves privadas a trav\u00e9s de una serie de intercambios de clave de curva el\u00edptica Diffie Hellman (ECDH) manipulados, tambi\u00e9n conocida como un \u0027ataque de curva no 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  }
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.