ubuntu-cve-2018-6540
Vulnerability from osv_ubuntu
Published
2018-02-02 00:00
Modified
2026-04-22 07:38
Summary
Details

In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.

Severity
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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": "libzzip-0-13",
            "binary_version": "0.13.62-2ubuntu0.2"
          },
          {
            "binary_name": "zziplib-bin",
            "binary_version": "0.13.62-2ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "zziplib",
        "purl": "pkg:deb/ubuntu/zziplib@0.13.62-2ubuntu0.2?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.13.62-2ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.13.56-1.1ubuntu1",
        "0.13.56-1.1ubuntu2",
        "0.13.56-2ubuntu1",
        "0.13.62-2",
        "0.13.62-2ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libzzip-0-13",
            "binary_version": "0.13.62-3ubuntu0.16.04.2"
          },
          {
            "binary_name": "zziplib-bin",
            "binary_version": "0.13.62-3ubuntu0.16.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "zziplib",
        "purl": "pkg:deb/ubuntu/zziplib@0.13.62-3ubuntu0.16.04.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.13.62-3ubuntu0.16.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.13.62-3",
        "0.13.62-3ubuntu0.16.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libzzip-0-13",
            "binary_version": "0.13.62-3.1ubuntu0.18.04.1"
          },
          {
            "binary_name": "zziplib-bin",
            "binary_version": "0.13.62-3.1ubuntu0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "zziplib",
        "purl": "pkg:deb/ubuntu/zziplib@0.13.62-3.1ubuntu0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.13.62-3.1ubuntu0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.13.62-3.1"
      ]
    }
  ],
  "aliases": [],
  "details": "In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.",
  "id": "UBUNTU-CVE-2018-6540",
  "modified": "2026-04-22T07:38:34Z",
  "published": "2018-02-02T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-6540"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3699-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-6540"
    }
  ],
  "related": [
    "USN-3699-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-6540"
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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