gsd-2021-21779
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-21779",
"description": "A use-after-free vulnerability exists in the way Webkit\u2019s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.",
"id": "GSD-2021-21779",
"references": [
"https://www.suse.com/security/cve/CVE-2021-21779.html",
"https://www.debian.org/security/2021/dsa-4945",
"https://access.redhat.com/errata/RHSA-2021:4381",
"https://ubuntu.com/security/CVE-2021-21779",
"https://advisories.mageia.org/CVE-2021-21779.html",
"https://security.archlinux.org/CVE-2021-21779",
"https://linux.oracle.com/cve/CVE-2021-21779.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-21779"
],
"details": "A use-after-free vulnerability exists in the way Webkit\u2019s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.",
"id": "GSD-2021-21779",
"modified": "2023-12-13T01:23:11.180509Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ID": "CVE-2021-21779",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Webkit",
"version": {
"version_data": [
{
"version_value": "Webkit WebKitGTK 2.30.4"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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"value": "A use-after-free vulnerability exists in the way Webkit\u2019s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability."
}
]
},
"impact": {
"cvss": {
"baseScore": 6.8,
"baseSeverity": "Medium",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L",
"version": "3.0"
}
},
"problemtype": {
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{
"description": [
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"lang": "eng",
"value": "CWE-416: Use After Free"
}
]
}
]
},
"references": {
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{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238",
"refsource": "MISC",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238"
},
{
"name": "[oss-security] 20210723 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0004",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2021/07/23/1"
},
{
"name": "FEDORA-2021-cf7d8c7b1a",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/"
},
{
"name": "DSA-4945",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-4945"
},
{
"name": "FEDORA-2021-3de956ceee",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:webkitgtk:webkitgtk:2.30.4:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
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"operator": "OR"
}
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},
"cve": {
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"ASSIGNER": "talos-cna@cisco.com",
"ID": "CVE-2021-21779"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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"value": "A use-after-free vulnerability exists in the way Webkit\u2019s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238",
"refsource": "MISC",
"tags": [
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],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238"
},
{
"name": "[oss-security] 20210723 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0004",
"refsource": "MLIST",
"tags": [
"Mailing List"
],
"url": "http://www.openwall.com/lists/oss-security/2021/07/23/1"
},
{
"name": "FEDORA-2021-cf7d8c7b1a",
"refsource": "FEDORA",
"tags": [
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/"
},
{
"name": "DSA-4945",
"refsource": "DEBIAN",
"tags": [
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"url": "https://www.debian.org/security/2021/dsa-4945"
},
{
"name": "FEDORA-2021-3de956ceee",
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"tags": [
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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": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2022-07-21T10:52Z",
"publishedDate": "2021-07-08T12:15Z"
}
}
}
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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.