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sharutils — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2018-1000097

Sharutils sharutils (unshar command) version 4.15.2 contains a Buffer Overflow vulnerability in Affected component on the file unshar.c at line 75, function looks_like_c_code. Failure to perform checking of the buffer containing input line. that can result in Could lead to code execution. This attack appear to be exploitable via Victim have to run unshar command on a specially crafted file..

Products
sharutils
Affected versions
Not specified
Fixed versions
1:4.15.2-3
CVEs
CVE-2018-1000097
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 01:32 UTC · Revision 1

Source evidence

DEBIAN-CVE-2018-1000097

core-osv · Original source

Published 13 Mar 2018, 01:29 UTC

Sharutils sharutils (unshar command) version 4.15.2 contains a Buffer Overflow vulnerability in Affected component on the file unshar.c at line 75, function looks_like_c_code. Failure to perform checking of the buffer containing input line. that can result in Could lead to code execution. This attack appear to be exploitable via Victim have to run unshar command on a specially crafted file..

osv:DEBIAN-CVE-2018-1000097

sharutils

Fixed versions: 1:4.15.2-3

sharutils

Fixed versions: 1:4.15.2-3

sharutils

Fixed versions: 1:4.15.2-3

Complete source record
{
  "id": "98cc0e2dcd17e757aac677ff8d738b3415aa264f334b6bcb1c00c6f9a842bb16",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-1000097",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2018-1000097",
    "summary": "Sharutils sharutils (unshar command) version 4.15.2 contains a Buffer Overflow vulnerability in Affected component on the file unshar.c at line 75, function looks_like_c_code. Failure to perform checking of the buffer containing input line. that can result in Could lead to code execution. This attack appear to be exploitable via Victim have to run unshar command on a specially crafted file..",
    "evidence": "osv:DEBIAN-CVE-2018-1000097",
    "products": [
      {
        "name": {
          "value": "sharutils",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:4.15.2-3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "sharutils",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:4.15.2-3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "sharutils",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:4.15.2-3",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2018-1000097",
      "aliases": [
        "DEBIAN-CVE-2018-1000097"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:4.15.2-3"
                }
              ]
            }
          ],
          "package": {
            "name": "sharutils",
            "purl": "pkg:deb/debian/sharutils?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000097.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:4.15.2-3"
                }
              ]
            }
          ],
          "package": {
            "name": "sharutils",
            "purl": "pkg:deb/debian/sharutils?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000097.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:4.15.2-3"
                }
              ]
            }
          ],
          "package": {
            "name": "sharutils",
            "purl": "pkg:deb/debian/sharutils?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-1000097.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T18:04:46.801155846Z",
      "provider": "osv",
      "upstream": [
        "CVE-2018-1000097"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2018-1000097"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2018-1000097",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 423717,
  "published_at": "2018-03-13T01:29:00.967+00:00"
}