ubuntu-cve-2015-7575
Vulnerability from osv_ubuntu
Published
2015-12-31 00:00
Modified
2026-04-22 07:37
Summary
Details

Mozilla Network Security Services (NSS) before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof servers by triggering a collision.

Severity
5.9 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
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    },
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            "binary_name": "icedtea-6-jre-cacao",
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            "binary_version": "6b38-1.13.10-0ubuntu0.14.04.1"
          }
        ]
      },
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        "name": "openjdk-6",
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      },
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        "6b27-1.12.6-1ubuntu2",
        "6b27-1.12.7-2ubuntu1",
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    {
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        "binaries": [
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            "binary_name": "openjdk-7-source",
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        "name": "openjdk-7",
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        "7u65-2.5.1-4ubuntu1~0.14.04.2",
        "7u65-2.5.2-3~14.04",
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        "7u75-2.5.4-1~trusty1",
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        "7u79-2.5.6-0ubuntu1.14.04.1",
        "7u85-2.6.1-5ubuntu0.14.04.1",
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    },
    {
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        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "thunderbird",
            "binary_version": "1:38.6.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "thunderbird-globalmenu",
            "binary_version": "1:38.6.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:38.6.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:38.6.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "thunderbird-testsuite",
            "binary_version": "1:38.6.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:38.6.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:38.6.0+build1-0ubuntu0.14.04.1"
          },
          {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:38.6.0+build1-0ubuntu0.14.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "thunderbird",
        "purl": "pkg:deb/ubuntu/thunderbird@1:38.6.0+build1-0ubuntu0.14.04.1?arch=source\u0026distro=trusty"
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        "1:24.0+build1-0ubuntu2",
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "thunderbird",
        "purl": "pkg:deb/ubuntu/thunderbird@1:38.6.0+build1-0ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
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            {
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          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:38.3.0+build1-0ubuntu2",
        "1:38.5.1+build2-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Mozilla Network Security Services (NSS) before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof servers by triggering a collision.",
  "id": "UBUNTU-CVE-2015-7575",
  "modified": "2026-04-22T07:37:50Z",
  "published": "2015-12-31T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-7575"
    },
    {
      "type": "REPORT",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2015-150/"
    },
    {
      "type": "REPORT",
      "url": "http://www.mitls.org/pages/attacks/SLOTH"
    },
    {
      "type": "REPORT",
      "url": "http://www.gnutls.org/security.html#GNUTLS-SA-2015-2"
    },
    {
      "type": "REPORT",
      "url": "http://lists.gnutls.org/pipermail/gnutls-devel/2015-April/007572.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2863-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2864-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2865-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2866-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2884-1"
    },
    {
      "type": "REPORT",
      "url": "http://blog.fuseyism.com/index.php/2016/01/25/security-icedtea-1-13-10-for-openjdk-6-released/"
    },
    {
      "type": "REPORT",
      "url": "https://tls.mbed.org/tech-updates/releases/mbedtls-2.2.1-2.1.4-1.3.16-and-polarssl.1.2.19-released"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2904-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2015-7575"
    }
  ],
  "related": [
    "USN-2863-1",
    "USN-2864-1",
    "USN-2865-1",
    "USN-2866-1",
    "USN-2884-1",
    "USN-2904-1"
  ],
  "schema_version": "1.7.0",
  "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"
    }
  ],
  "upstream": [
    "CVE-2015-7575"
  ]
}



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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.
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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.
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Detection rules are retrieved from Rulezet.