ubuntu-cve-2017-17846
Vulnerability from osv_ubuntu
Published
2017-12-27 17:08
Modified
2025-07-16 04:53
Summary
Details

An issue was discovered in Enigmail before 1.9.9. Regular expressions are exploitable for Denial of Service, because of attempts to match arbitrarily long strings, aka TBE-01-003.

Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "enigmail",
            "binary_version": "2:1.9.9-0ubuntu0.14.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "enigmail",
        "purl": "pkg:deb/ubuntu/enigmail@2:1.9.9-0ubuntu0.14.04.1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:1.9.9-0ubuntu0.14.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:1.5.2-0ubuntu1",
        "2:1.7-0ubuntu0.14.04.1",
        "2:1.7.2-0ubuntu0.14.04.1",
        "2:1.8.2-0ubuntu0.14.04.1",
        "2:1.9.7-0ubuntu0.14.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "enigmail",
            "binary_version": "2:1.9.9-0ubuntu0.16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "enigmail",
        "purl": "pkg:deb/ubuntu/enigmail@2:1.9.9-0ubuntu0.16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:1.9.9-0ubuntu0.16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:1.8.2-0ubuntu1",
        "2:1.8.2-4fakesync1",
        "2:1.9.1-1",
        "2:1.9.7-1~ubuntu0.16.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in Enigmail before 1.9.9. Regular expressions are exploitable for Denial of Service, because of attempts to match arbitrarily long strings, aka TBE-01-003.",
  "id": "UBUNTU-CVE-2017-17846",
  "modified": "2025-07-16T04:53:13Z",
  "published": "2017-12-27T17:08:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-17846"
    },
    {
      "type": "REPORT",
      "url": "https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf"
    },
    {
      "type": "REPORT",
      "url": "https://lists.debian.org/debian-security-announce/2017/msg00333.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.debian.org/security/2017/dsa-4070"
    },
    {
      "type": "REPORT",
      "url": "https://www.mail-archive.com/enigmail-users@enigmail.net/msg04280.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2017-17846"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2017-17846"
  ]
}



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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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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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