2024-07-14 02:06:08 +00:00

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{
"id": "CVE-2021-28903",
"sourceIdentifier": "cve@mitre.org",
"published": "2021-05-20T19:15:07.637",
"lastModified": "2022-04-05T18:08:11.047",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem(). lyxml_parse_elem() function will be called recursively, which will consume stack space and lead to crash."
},
{
"lang": "es",
"value": "Un desbordamiento de pila en libyang versiones anteriores a v1.0.225 incluy\u00e9ndola, puede causar una denegaci\u00f3n de servicio por medio de la funci\u00f3n lyxml_parse_mem().&#xa0;La funci\u00f3n lyxml_parse_elem() ser\u00e1 llamada de forma recursiva, lo que consumir\u00e1 espacio en la pila y conllevar\u00e1 a un bloqueo"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
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"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
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"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-674"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:cesnet:libyang:*:*:*:*:*:*:*:*",
"versionEndIncluding": "1.0.225",
"matchCriteriaId": "6CFE711D-6C8F-4F0F-B53E-BB952DC1FF39"
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],
"references": [
{
"url": "https://github.com/CESNET/libyang/issues/1453",
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
]
},
{
"url": "https://security.gentoo.org/glsa/202107-54",
"source": "cve@mitre.org",
"tags": [
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}
]
}