fkie_cve-2020-27787
Vulnerability from fkie_nvd
Published
2022-08-18 19:15
Modified
2025-04-11 12:27
Severity ?
Summary
A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | https://github.com/upx/upx/commit/e2f60adc95334f47e286838dac33160819c5d74d | Patch, Third Party Advisory | |
| secalert@redhat.com | https://github.com/upx/upx/issues/333 | Exploit, Issue Tracking, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/upx/upx/commit/e2f60adc95334f47e286838dac33160819c5d74d | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/upx/upx/issues/333 | Exploit, Issue Tracking, Patch, Third Party Advisory |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0C4F8C52-D021-4C5C-87B1-DF4B3BAD895B",
"versionEndExcluding": "3.96",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service."
},
{
"lang": "es",
"value": "Se ha encontrado un fallo de segmentaci\u00f3n en UPX en la funci\u00f3n invert_pt_dynamic() en el archivo p_lx_elf.cpp. Un atacante con un archivo de entrada dise\u00f1ado permite el acceso a direcciones de memoria no v\u00e1lidas que podr\u00eda conllevar a una denegaci\u00f3n de servicio."
}
],
"id": "CVE-2020-27787",
"lastModified": "2025-04-11T12:27:55.013",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-08-18T19:15:14.210",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
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"Third Party Advisory"
],
"url": "https://github.com/upx/upx/commit/e2f60adc95334f47e286838dac33160819c5d74d"
},
{
"source": "secalert@redhat.com",
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"url": "https://github.com/upx/upx/issues/333"
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-119"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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