Vulnerability-Lookup

CVE-2018-19975 (GCVE-0-2018-19975)

Vulnerability from cvelistv5 – Published: 2018-12-17 18:00 – Updated: 2024-08-05 11:51

Summary

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

Severity

5.5 (Medium)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CWE

Assigner

mitre mitre root Scorecard

References

4 references

URL	Tags
https://bnbdr.github.io/posts/extracheese/	x_refsource_MISC
https://github.com/VirusTotal/yara/issues/999	x_refsource_CONFIRM
https://github.com/bnbdr/swisscheese/	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Date Public

2018-12-04 00:00

Show details on NVD website

JSON

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CNVD-2019-32347

Vulnerability from cnvd - Published: 2019-09-20

Title

YARA libyara/exec.c文件信息泄露漏洞（CNVD-2019-32347）

Description

YARA是一套用于帮助软件研究人员识别和分类恶意软件样本的工具。 YARA 3.8.1版本中的libyara/exec.c文件存在安全漏洞。攻击者可利用该漏洞读取任意内存地址的数据。

Severity

高

Patch Name

YARA libyara/exec.c文件信息泄露漏洞（CNVD-2019-32347）的补丁

Patch Description

YARA是一套用于帮助软件研究人员识别和分类恶意软件样本的工具。 YARA 3.8.1版本中的libyara/exec.c文件存在安全漏洞。攻击者可利用该漏洞读取任意内存地址的数据。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/VirusTotal/yara/issues/999

Reference

https://github.com/VirusTotal/yara/issues/999

Impacted products

Name
YARA YARA 3.8.1

Show details on source website

JSON

To clipboard

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  "serverity": "\u9ad8",
  "submitTime": "2018-12-19",
  "title": "YARA libyara/exec.c\u6587\u4ef6\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2019-32347\uff09"
}

FKIE_CVE-2018-19975

Vulnerability from fkie_nvd - Published: 2018-12-17 19:29 - Updated: 2026-06-17 01:50

Severity

5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Summary

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

References

URL	Tags
cve@mitre.org	https://bnbdr.github.io/posts/extracheese/	Exploit, Third Party Advisory
cve@mitre.org	https://github.com/VirusTotal/yara/issues/999	Exploit, Issue Tracking, Third Party Advisory
cve@mitre.org	https://github.com/bnbdr/swisscheese/	Exploit, Third Party Advisory
cve@mitre.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/
af854a3a-2127-422b-91ae-364da2661108	https://bnbdr.github.io/posts/extracheese/	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/VirusTotal/yara/issues/999	Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/bnbdr/swisscheese/	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/

Impacted products

	Vendor	Product	Version
	virustotal	yara	3.8.1

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:virustotal:yara:3.8.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "18A60F7C-F4E6-428C-BE26-09D75F29DEBF",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD."
    },
    {
      "lang": "es",
      "value": "En YARA 3.8.1, el c\u00f3digo de bytes en una regla compilada especialmente manipulada puede leer datos de cualquier direcci\u00f3n arbitraria en la memoria, en libyara/exec.c. Espec\u00edficamente, OP_COUNT puede leer un DWORD."
    }
  ],
  "id": "CVE-2018-19975",
  "lastModified": "2026-06-17T01:50:13.210",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 7.1,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-12-17T19:29:01.437",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://bnbdr.github.io/posts/extracheese/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/VirusTotal/yara/issues/999"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/bnbdr/swisscheese/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://bnbdr.github.io/posts/extracheese/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/VirusTotal/yara/issues/999"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/bnbdr/swisscheese/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-QMR8-5QXX-8J5H

Vulnerability from github – Published: 2022-05-13 01:39 – Updated: 2022-05-13 01:39

Details

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

Severity

5.5 (Medium)


                  
                    CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2018-19975"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-12-17T19:29:00Z",
    "severity": "HIGH"
  },
  "details": "In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.",
  "id": "GHSA-qmr8-5qxx-8j5h",
  "modified": "2022-05-13T01:39:41Z",
  "published": "2022-05-13T01:39:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19975"
    },
    {
      "type": "WEB",
      "url": "https://github.com/VirusTotal/yara/issues/999"
    },
    {
      "type": "WEB",
      "url": "https://bnbdr.github.io/posts/extracheese"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bnbdr/swisscheese"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2018-19975

Vulnerability from gsd - Updated: 2023-12-13 01:22

Details

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

Aliases

CVE-2018-19975

Aliases

CVE-2018-19975

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2018-19975",
    "description": "In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.",
    "id": "GSD-2018-19975",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-19975.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-19975"
      ],
      "details": "In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.",
      "id": "GSD-2018-19975",
      "modified": "2023-12-13T01:22:39.517951Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
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        "ID": "CVE-2018-19975",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
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            "refsource": "MISC",
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            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/"
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    },
    "nvd.nist.gov": {
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                "Third Party Advisory"
              ],
              "url": "https://github.com/VirusTotal/yara/issues/999"
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            },
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              "refsource": "FEDORA",
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            }
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            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 7.1,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:C/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
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          "userInteractionRequired": true
        },
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            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2019-10-06T03:15Z",
      "publishedDate": "2018-12-17T19:29Z"
    }
  }
}

UBUNTU-CVE-2018-19975 (CVE-2018-19975)

Vulnerability from osv_ubuntu – Published: 2018-12-17 19:29 – Updated: 2026-04-22 07:38 – Source website

Details

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.

Severity

5.5 (Medium)


                    
                      CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2018-19975	REPORT
	https://github.com/VirusTotal/yara/issues/999	REPORT
	https://bnbdr.github.io/posts/extracheese/	REPORT
	https://github.com/bnbdr/swisscheese/	REPORT
	https://www.cve.org/CVERecord?id=CVE-2018-19975	REPORT
	https://ubuntu.com/security/notices/USN-8080-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libyara3",
            "binary_version": "3.4.0+dfsg-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "python-yara",
            "binary_version": "3.4.0+dfsg-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "python3-yara",
            "binary_version": "3.4.0+dfsg-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "yara",
            "binary_version": "3.4.0+dfsg-2ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "yara",
        "purl": "pkg:deb/ubuntu/yara@3.4.0+dfsg-2ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.0+dfsg-2ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.0+dfsg-2",
        "3.4.0+dfsg-2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libyara3",
            "binary_version": "3.7.1-1ubuntu2+esm1"
          },
          {
            "binary_name": "yara",
            "binary_version": "3.7.1-1ubuntu2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "yara",
        "purl": "pkg:deb/ubuntu/yara@3.7.1-1ubuntu2+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.7.1-1ubuntu2+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.3+dfsg-1ubuntu1",
        "3.7.1-1ubuntu1",
        "3.7.1-1ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.",
  "id": "UBUNTU-CVE-2018-19975",
  "modified": "2026-04-22T07:38:46Z",
  "published": "2018-12-17T19:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-19975"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/VirusTotal/yara/issues/999"
    },
    {
      "type": "REPORT",
      "url": "https://bnbdr.github.io/posts/extracheese/"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/bnbdr/swisscheese/"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-19975"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8080-1"
    }
  ],
  "related": [
    "USN-8080-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-19975"
  ]
}

Sightings

Author	Source	Type	Date	Other

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2018-19975 (GCVE-0-2018-19975)

CNVD-2019-32347

FKIE_CVE-2018-19975

GHSA-QMR8-5QXX-8J5H

GSD-2018-19975

UBUNTU-CVE-2018-19975 (CVE-2018-19975)

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Related by attack behaviour