gsd-2020-25643
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Aliases
Aliases
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"https://access.redhat.com/errata/RHSA-2021:1578",
"https://access.redhat.com/errata/RHSA-2020:5441",
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"https://advisories.mageia.org/CVE-2020-25643.html",
"https://alas.aws.amazon.com/cve/html/CVE-2020-25643.html",
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"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
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"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:C",
"version": "2.0"
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"exploitabilityScore": 6.8,
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"obtainAllPrivilege": false,
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"severity": "HIGH",
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"attackVector": "NETWORK",
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"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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"lastModifiedDate": "2023-05-16T10:48Z",
"publishedDate": "2020-10-06T14:15Z"
}
}
}
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