gsd-2021-3516
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-3516",
"description": "There\u0027s a flaw in libxml2\u0027s xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.",
"id": "GSD-2021-3516",
"references": [
"https://www.suse.com/security/cve/CVE-2021-3516.html",
"https://access.redhat.com/errata/RHBA-2021:2854",
"https://access.redhat.com/errata/RHSA-2021:2569",
"https://ubuntu.com/security/CVE-2021-3516",
"https://advisories.mageia.org/CVE-2021-3516.html",
"https://security.archlinux.org/CVE-2021-3516",
"https://access.redhat.com/errata/RHSA-2022:1389",
"https://access.redhat.com/errata/RHSA-2022:1390",
"https://linux.oracle.com/cve/CVE-2021-3516.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
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"id": "GSD-2021-3516",
"modified": "2023-12-13T01:23:35.000315Z",
"schema_version": "1.4.0"
}
},
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},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c2.9.11",
"affected_versions": "All versions before 2.9.11",
"cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-416",
"CWE-937"
],
"date": "2022-03-01",
"description": "There\u0027s a flaw in libxml2\u0027s xmllint An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.",
"fixed_versions": [
"2.9.12"
],
"identifier": "CVE-2021-3516",
"identifiers": [
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],
"not_impacted": "All versions starting from 2.9.11",
"package_slug": "conan/libxml2",
"pubdate": "2021-06-01",
"solution": "Upgrade to version 2.9.12 or above.",
"title": "Use After Free",
"urls": [
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"https://bugzilla.redhat.com/show_bug.cgi?id=1954225",
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"uuid": "ba6bf89d-f8ac-48dc-988b-7cce025d8f46"
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{
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"cwe_ids": [
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"CWE-416",
"CWE-937"
],
"date": "2022-03-01",
"description": "There\u0027s a flaw in libxml2\u0027s xmllint An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.",
"fixed_versions": [
"3.0.0"
],
"identifier": "CVE-2021-3516",
"identifiers": [
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],
"not_impacted": "All versions starting from 2.9.11",
"package_slug": "gem/libxml-ruby",
"pubdate": "2021-06-01",
"solution": "Upgrade to version 3.0.0 or above.",
"title": "Use After Free",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-3516",
"https://bugzilla.redhat.com/show_bug.cgi?id=1954225",
"https://gitlab.gnome.org/GNOME/libxml2/-/issues/230"
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"uuid": "14ee6ce0-d2ff-486c-a5fc-a11f038fcb20"
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2022-03-01T15:11Z",
"publishedDate": "2021-06-01T14:15Z"
}
}
}
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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.