ubuntu-cve-2017-6891
Vulnerability from osv_ubuntu
Published
2017-05-22 00:00
Modified
2026-04-22 07:38
Summary
Details

Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libtasn1-3-bin",
            "binary_version": "3.4-3ubuntu0.5"
          },
          {
            "binary_name": "libtasn1-6",
            "binary_version": "3.4-3ubuntu0.5"
          },
          {
            "binary_name": "libtasn1-bin",
            "binary_version": "3.4-3ubuntu0.5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "libtasn1-6",
        "purl": "pkg:deb/ubuntu/libtasn1-6@3.4-3ubuntu0.5?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4-3ubuntu0.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3-2",
        "3.4-2",
        "3.4-3",
        "3.4-3ubuntu0.1",
        "3.4-3ubuntu0.2",
        "3.4-3ubuntu0.3",
        "3.4-3ubuntu0.4"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libtasn1-3-bin",
            "binary_version": "4.7-3ubuntu0.16.04.2"
          },
          {
            "binary_name": "libtasn1-6",
            "binary_version": "4.7-3ubuntu0.16.04.2"
          },
          {
            "binary_name": "libtasn1-bin",
            "binary_version": "4.7-3ubuntu0.16.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libtasn1-6",
        "purl": "pkg:deb/ubuntu/libtasn1-6@4.7-3ubuntu0.16.04.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.7-3ubuntu0.16.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.5-2",
        "4.7-2",
        "4.7-3",
        "4.7-3ubuntu0.16.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Two errors in the \"asn1_find_node()\" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.",
  "id": "UBUNTU-CVE-2017-6891",
  "modified": "2026-04-22T07:38:12Z",
  "published": "2017-05-22T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-6891"
    },
    {
      "type": "REPORT",
      "url": "https://secuniaresearch.flexerasoftware.com/advisories/76125/"
    },
    {
      "type": "REPORT",
      "url": "https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3309-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3309-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2017-6891"
    }
  ],
  "related": [
    "USN-3309-1",
    "USN-3309-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2017-6891"
  ]
}



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