ubuntu-cve-2023-40857
Vulnerability from osv_ubuntu
Published
2023-08-28 22:15
Modified
2026-04-22 07:45
Summary
Details
Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.
Severity
8.8 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"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"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.4.0+dfsg-2",
"3.4.0+dfsg-2build1",
"3.4.0+dfsg-2ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"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"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.6.3+dfsg-1ubuntu1",
"3.7.1-1ubuntu1",
"3.7.1-1ubuntu2",
"3.7.1-1ubuntu2+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyara3",
"binary_version": "3.9.0-1ubuntu0.1~esm1"
},
{
"binary_name": "yara",
"binary_version": "3.9.0-1ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "yara",
"purl": "pkg:deb/ubuntu/yara@3.9.0-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.9.0-1",
"3.9.0-1ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyara8",
"binary_version": "4.1.3-1build1"
},
{
"binary_name": "yara",
"binary_version": "4.1.3-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "yara",
"purl": "pkg:deb/ubuntu/yara@4.1.3-1build1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.1.0-1",
"4.1.3-1",
"4.1.3-1build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyara10",
"binary_version": "4.5.0-1build2"
},
{
"binary_name": "yara",
"binary_version": "4.5.0-1build2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "yara",
"purl": "pkg:deb/ubuntu/yara@4.5.0-1build2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.3.2-1",
"4.4.0-1",
"4.5.0-1",
"4.5.0-1build1",
"4.5.0-1build2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libyara10",
"binary_version": "4.5.4-1"
},
{
"binary_name": "yara",
"binary_version": "4.5.4-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "yara",
"purl": "pkg:deb/ubuntu/yara@4.5.4-1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.5.2-1",
"4.5.3-1",
"4.5.4-1"
]
}
],
"aliases": [],
"details": "Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.",
"id": "UBUNTU-CVE-2023-40857",
"modified": "2026-04-22T07:45:26Z",
"published": "2023-08-28T22:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-40857"
},
{
"type": "REPORT",
"url": "https://github.com/VirusTotal/yara/issues/1945"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-40857"
}
],
"related": [],
"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": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2023-40857"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| 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.
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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.
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