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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"description": "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.",
"id": "GSD-2020-25643",
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"https://www.debian.org/security/2020/dsa-4774",
"https://access.redhat.com/errata/RHSA-2021:1739",
"https://access.redhat.com/errata/RHSA-2021:1578",
"https://access.redhat.com/errata/RHSA-2020:5441",
"https://access.redhat.com/errata/RHSA-2020:5437",
"https://ubuntu.com/security/CVE-2020-25643",
"https://advisories.mageia.org/CVE-2020-25643.html",
"https://alas.aws.amazon.com/cve/html/CVE-2020-25643.html",
"https://linux.oracle.com/cve/CVE-2020-25643.html"
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"modified": "2023-12-13T01:21:57.102906Z",
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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,
"impactScore": 8.5,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"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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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.