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125 lines
3.9 KiB
JSON
125 lines
3.9 KiB
JSON
{
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"id": "CVE-2021-32614",
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"sourceIdentifier": "patrick@puiterwijk.org",
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"published": "2021-05-26T22:15:08.193",
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"lastModified": "2024-11-21T06:07:23.007",
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"vulnStatus": "Modified",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw was found in dmg2img through 20170502. fill_mishblk() does not check the length of the read buffer, and copy 0xCC bytes from it. The length of the buffer is controlled by an attacker. By providing a length smaller than 0xCC, memcpy reaches out of the malloc'ed bound. This possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution."
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},
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{
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"lang": "es",
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"value": "Se encontr\u00f3 un fallo en dmg2img versiones hasta 20170502. La funci\u00f3n fill_mishblk() no comprueba la longitud del b\u00fafer de lectura y copia 0xCC bytes de \u00e9l. Un atacante controla la longitud del b\u00fafer. Al proporcionar una longitud menor que 0xCC, memcpy sale del l\u00edmite malloc'ed. Esto posiblemente conlleva a un filtrado de informaci\u00f3n sobre el dise\u00f1o de la memoria en los datos. Esto puede ser usado en una cadena de vulnerabilidad para alcanzar la ejecuci\u00f3n del c\u00f3digo"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
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"baseScore": 7.1,
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"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 5.2
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P",
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"baseScore": 5.8,
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"accessVector": "NETWORK",
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"accessComplexity": "MEDIUM",
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"authentication": "NONE",
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"confidentialityImpact": "PARTIAL",
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"integrityImpact": "NONE",
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"availabilityImpact": "PARTIAL"
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 8.6,
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"impactScore": 4.9,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": true
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}
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]
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},
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"weaknesses": [
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{
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"source": "patrick@puiterwijk.org",
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"type": "Secondary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-125"
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}
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]
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},
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-125"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:dmg2img_project:dmg2img:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "20170502",
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"matchCriteriaId": "8133DF55-ED81-4B8B-90BC-1268C506E7E4"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959911",
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"source": "patrick@puiterwijk.org",
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"tags": [
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"Issue Tracking",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1959911",
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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"tags": [
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"Issue Tracking",
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"Third Party Advisory"
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]
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}
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]
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} |