usn-2865-1
Vulnerability from osv_ubuntu
Published
2016-01-08 12:41
Modified
2026-04-22 07:36
Summary
gnutls26, gnutls28 vulnerability
Details

Karthikeyan Bhargavan and Gaetan Leurent discovered that GnuTLS incorrectly allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2015-7575",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gnutls-bin",
            "binary_version": "3.0.11+really2.12.23-12ubuntu2.4"
          },
          {
            "binary_name": "libgnutls-openssl27",
            "binary_version": "2.12.23-12ubuntu2.4"
          },
          {
            "binary_name": "libgnutls26",
            "binary_version": "2.12.23-12ubuntu2.4"
          },
          {
            "binary_name": "libgnutlsxx27",
            "binary_version": "2.12.23-12ubuntu2.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "gnutls26",
        "purl": "pkg:deb/ubuntu/gnutls26@2.12.23-12ubuntu2.4?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.12.23-12ubuntu2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.12.23-1ubuntu4",
        "2.12.23-1ubuntu5",
        "2.12.23-12ubuntu1",
        "2.12.23-12ubuntu2",
        "2.12.23-12ubuntu2.1",
        "2.12.23-12ubuntu2.2",
        "2.12.23-12ubuntu2.3"
      ]
    }
  ],
  "aliases": [],
  "details": "Karthikeyan Bhargavan and Gaetan Leurent discovered that GnuTLS incorrectly\nallowed MD5 to be used for TLS 1.2 connections. If a remote attacker were\nable to perform a machine-in-the-middle attack, this flaw could be exploited to\nview sensitive information.\n",
  "id": "USN-2865-1",
  "modified": "2026-04-22T07:36:32Z",
  "published": "2016-01-08T12:41:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2865-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-7575"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "gnutls26, gnutls28 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2015-7575"
  ]
}



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Sightings

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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.
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  • 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.


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