fkie_cve-2021-32495
Vulnerability from fkie_nvd
Published
2023-07-07 19:15
Modified
2024-11-21 06:07
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Summary
Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| patrick@puiterwijk.org | https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05 | Patch, Vendor Advisory | |
| patrick@puiterwijk.org | https://github.com/radareorg/radare2/issues/18666 | Issue Tracking, Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/radareorg/radare2/issues/18666 | Issue Tracking, Patch, Vendor Advisory |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:radare:radare2:5.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "BAF29F76-DF28-4143-9BF5-FDC0F1CA5B81",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Radare2 has a use-after-free vulnerability in pyc parser\u0027s get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.\n\n"
}
],
"id": "CVE-2021-32495",
"lastModified": "2024-11-21T06:07:08.930",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 10.0,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 6.0,
"source": "patrick@puiterwijk.org",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.2,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-07-07T19:15:09.600",
"references": [
{
"source": "patrick@puiterwijk.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05"
},
{
"source": "patrick@puiterwijk.org",
"tags": [
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"Patch",
"Vendor Advisory"
],
"url": "https://github.com/radareorg/radare2/issues/18666"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
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},
{
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"url": "https://github.com/radareorg/radare2/issues/18666"
}
],
"sourceIdentifier": "patrick@puiterwijk.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "patrick@puiterwijk.org",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"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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