usn-2864-1
Vulnerability from osv_ubuntu
Published
2016-01-07 20:23
Modified
2026-04-22 07:36
Summary
nss vulnerability
Details

Karthikeyan Bhargavan and Gaetan Leurent discovered that NSS 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": "libnss3",
            "binary_version": "2:3.19.2.1-0ubuntu0.14.04.2"
          },
          {
            "binary_name": "libnss3-1d",
            "binary_version": "2:3.19.2.1-0ubuntu0.14.04.2"
          },
          {
            "binary_name": "libnss3-nssdb",
            "binary_version": "2:3.19.2.1-0ubuntu0.14.04.2"
          },
          {
            "binary_name": "libnss3-tools",
            "binary_version": "2:3.19.2.1-0ubuntu0.14.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "nss",
        "purl": "pkg:deb/ubuntu/nss@2:3.19.2.1-0ubuntu0.14.04.2?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:3.19.2.1-0ubuntu0.14.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:3.15.1-1ubuntu1",
        "2:3.15.2-1",
        "2:3.15.3-1",
        "2:3.15.3.1-1",
        "2:3.15.3.1-1.1",
        "2:3.15.3.1-1.1ubuntu1",
        "2:3.15.4-1ubuntu3",
        "2:3.15.4-1ubuntu4",
        "2:3.15.4-1ubuntu5",
        "2:3.15.4-1ubuntu6",
        "2:3.15.4-1ubuntu7",
        "2:3.15.4-1ubuntu7.1",
        "2:3.17-0ubuntu0.14.04.1",
        "2:3.17.1-0ubuntu0.14.04.1",
        "2:3.17.1-0ubuntu0.14.04.2",
        "2:3.17.4-0ubuntu0.14.04.1",
        "2:3.19.2-0ubuntu0.14.04.1",
        "2:3.19.2.1-0ubuntu0.14.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Karthikeyan Bhargavan and Gaetan Leurent discovered that NSS 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-2864-1",
  "modified": "2026-04-22T07:36:32Z",
  "published": "2016-01-07T20:23:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2864-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-7575"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "nss vulnerability",
  "upstream": [
    "UBUNTU-CVE-2015-7575"
  ]
}



Log in or create an account to share your comment.




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.