usn-5108-2
Vulnerability from osv_ubuntu
Published
2022-02-15 10:22
Modified
2026-06-29 10:52
Summary
libntlm vulnerability
Details

USN-5108-1 fixed a vulnerability in Libntlm. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Libntlm incorrectly handled specially crafted NTML requests. An attacker could possibly use this issue to cause a denial of service or another unspecified impact.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-17455",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libntlm0",
            "binary_version": "1.4-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "libntlm",
        "purl": "pkg:deb/ubuntu/libntlm@1.4-1ubuntu0.1~esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4-1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-17455",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libntlm0",
            "binary_version": "1.4-7ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "libntlm",
        "purl": "pkg:deb/ubuntu/libntlm@1.4-7ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4-7ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4-7"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-5108-1 fixed a vulnerability in Libntlm.\nThis update provides the corresponding update for Ubuntu 14.04 ESM and\nUbuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that Libntlm incorrectly handled specially crafted NTML\n requests. An attacker could possibly use this issue to cause a denial of\n service or another unspecified impact.\n",
  "id": "USN-5108-2",
  "modified": "2026-06-29T10:52:51Z",
  "published": "2022-02-15T10:22:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5108-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-17455"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libntlm vulnerability",
  "upstream": [
    "UBUNTU-CVE-2019-17455"
  ]
}



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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

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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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