gsd-2021-20271
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.
Aliases
Aliases
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"GSD": {
"alias": "CVE-2021-20271",
"description": "A flaw was found in RPM\u0027s signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.",
"id": "GSD-2021-20271",
"references": [
"https://www.suse.com/security/cve/CVE-2021-20271.html",
"https://access.redhat.com/errata/RHSA-2021:4975",
"https://access.redhat.com/errata/RHSA-2021:4785",
"https://access.redhat.com/errata/RHSA-2021:4771",
"https://access.redhat.com/errata/RHBA-2021:2854",
"https://access.redhat.com/errata/RHSA-2021:2791",
"https://access.redhat.com/errata/RHSA-2021:2574",
"https://advisories.mageia.org/CVE-2021-20271.html",
"https://alas.aws.amazon.com/cve/html/CVE-2021-20271.html",
"https://linux.oracle.com/cve/CVE-2021-20271.html",
"https://ubuntu.com/security/CVE-2021-20271"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
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"id": "GSD-2021-20271",
"modified": "2023-12-13T01:23:12.515147Z",
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"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "HIGH",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 4.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 5.9
}
},
"lastModifiedDate": "2023-02-12T22:15Z",
"publishedDate": "2021-03-26T17:15Z"
}
}
}
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- 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.