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CVE-2015-0291 (GCVE-0-2015-0291)

Vulnerability from cvelistv5 – Published: 2015-03-19 00:00 – Updated: 2024-08-06 04:03
VLAI
Summary
The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2015-03-19 00:00
Show details on NVD website
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Tracking\"]},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=76343947ada960b6269090638f5391068daee88d\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10110\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201503-11\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.openssl.org/news/secadv_20150319.txt\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://marc.info/?l=bugtraq\u0026m=143748090628601\u0026w=2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party 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Advisory\"]},{\"url\":\"http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/73235\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1031929\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://bto.bluecoat.com/security-advisory/sa92\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1202338\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=76343947ada960b6269090638f5391068daee88d\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10110\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201503-11\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.openssl.org/news/secadv_20150319.txt\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}],\"evaluatorComment\":\"\u003ca href=\\\"http://cwe.mitre.org/data/definitions/476.html\\\" rel=\\\"nofollow\\\"\u003eCWE-476: NULL Pointer Dereference\u003c/a\u003e\"}}",
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-08-04T18:49:51+00:00",
      "cve": "CVE-2015-0291",
      "id": "CVE-2015-0291",
      "initial_release_date": "2015-03-19T00:00:00+00:00",
      "product_status:known_not_affected": "26",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "openssl: ClientHello sigalgs NULL pointer dereference DoS",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-0291.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-10-08T00:15:15Z",
      "cve": "CVE-2015-0291",
      "id": "CVE-2015-0291",
      "initial_release_date": "2023-02-15T05:23:39Z",
      "product_status:known_not_affected": "35",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2015-0291",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2015-0291.json",
      "version": "8"
    }
  }
}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.