usn-2673-1
Vulnerability from osv_ubuntu
Published
2015-07-20 22:04
Modified
2026-05-29 17:43
Summary
thunderbird vulnerabilities
Details

Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to skip the ServerKeyExchange message and remove the forward-secrecy property. (CVE-2015-2721)

Bob Clary, Christian Holler, Bobby Holley, and Andrew McCreight discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2015-2724)

Ronald Crane discovered multiple security vulnerabilities. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2015-2734, CVE-2015-2735, CVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739, CVE-2015-2740)

Matthew Green discovered a DHE key processing issue in NSS where a MITM could force a server to downgrade TLS connections to 512-bit export-grade cryptography. An attacker could potentially exploit this to impersonate the server. (CVE-2015-4000)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2015-2721",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2724",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2734",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2735",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2736",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2737",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2738",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2739",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2740",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-4000",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "thunderbird",
            "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "thunderbird-globalmenu",
            "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "thunderbird-testsuite",
            "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "thunderbird",
        "purl": "pkg:deb/ubuntu/thunderbird@1:31.8.0+build1-0ubuntu0.14.04.1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:31.8.0+build1-0ubuntu0.14.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:24.0+build1-0ubuntu1",
        "1:24.0+build1-0ubuntu2",
        "1:24.1.1+build1-0ubuntu0.13.10.1",
        "1:24.1.1+build1-0ubuntu1",
        "1:24.2.0+build1-0ubuntu1",
        "1:24.4.0+build1-0ubuntu1",
        "1:24.5.0+build1-0ubuntu0.14.04.1",
        "1:24.6.0+build1-0ubuntu0.14.04.1",
        "1:31.0+build1-0ubuntu0.14.04.1",
        "1:31.1.1+build1-0ubuntu0.14.04.1",
        "1:31.1.2+build1-0ubuntu0.14.04.1",
        "1:31.2.0+build2-0ubuntu0.14.04.1",
        "1:31.3.0+build1-0ubuntu0.14.04.1",
        "1:31.4.0+build1-0ubuntu0.14.04.1",
        "1:31.5.0+build1-0ubuntu0.14.04.1",
        "1:31.6.0+build1-0ubuntu0.14.04.1",
        "1:31.7.0+build1-0ubuntu0.14.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Karthikeyan Bhargavan discovered that NSS incorrectly handled state\ntransitions for the TLS state machine. If a remote attacker were able to\nperform a machine-in-the-middle attack, this flaw could be exploited to skip\nthe ServerKeyExchange message and remove the forward-secrecy property.\n(CVE-2015-2721)\n\nBob Clary, Christian Holler, Bobby Holley, and Andrew McCreight discovered\nmultiple memory safety issues in Thunderbird. If a user were tricked in to\nopening a specially crafted website in a browsing context, an attacker\ncould potentially exploit these to cause a denial of service via\napplication crash, or execute arbitrary code with the privileges of the\nuser invoking Thunderbird. (CVE-2015-2724)\n\nRonald Crane discovered multiple security vulnerabilities. If a user were\ntricked in to opening a specially crafted website in a browsing context,\nan attacker could potentially exploit these to cause a denial of service\nvia application crash, or execute arbitrary code with the privileges of\nthe user invoking Thunderbird. (CVE-2015-2734, CVE-2015-2735,\nCVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739, CVE-2015-2740)\n\nMatthew Green discovered a DHE key processing issue in NSS where a MITM\ncould force a server to downgrade TLS connections to 512-bit export-grade\ncryptography. An attacker could potentially exploit this to impersonate\nthe server. (CVE-2015-4000)\n",
  "id": "USN-2673-1",
  "modified": "2026-05-29T17:43:57Z",
  "published": "2015-07-20T22:04:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2673-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2721"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2724"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2734"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2735"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2736"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2737"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2738"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2739"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2740"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-4000"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "thunderbird vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2015-2721",
    "UBUNTU-CVE-2015-2724",
    "UBUNTU-CVE-2015-2734",
    "UBUNTU-CVE-2015-2735",
    "UBUNTU-CVE-2015-2736",
    "UBUNTU-CVE-2015-2737",
    "UBUNTU-CVE-2015-2738",
    "UBUNTU-CVE-2015-2739",
    "UBUNTU-CVE-2015-2740",
    "UBUNTU-CVE-2015-4000"
  ]
}



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