GSD-2021-33596
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
Showing the legitimate URL in the address bar while loading the content from other domain. This makes the user believe that the content is served by a legit domain. Exploiting the vulnerability requires the user to click on a specially crafted, seemingly legitimate URL containing an embedded malicious redirect while using F-Secure Safe Browser for iOS.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-33596",
"description": "Showing the legitimate URL in the address bar while loading the content from other domain. This makes the user believe that the content is served by a legit domain. Exploiting the vulnerability requires the user to click on a specially crafted, seemingly legitimate URL containing an embedded malicious redirect while using F-Secure Safe Browser for iOS.",
"id": "GSD-2021-33596"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-33596"
],
"details": "Showing the legitimate URL in the address bar while loading the content from other domain. This makes the user believe that the content is served by a legit domain. Exploiting the vulnerability requires the user to click on a specially crafted, seemingly legitimate URL containing an embedded malicious redirect while using F-Secure Safe Browser for iOS.",
"id": "GSD-2021-33596",
"modified": "2023-12-13T01:23:18.114572Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ID": "CVE-2021-33596",
"STATE": "PUBLIC",
"TITLE": "Fake Apple login prompt in F-Secure SAFE browser for iOS"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "F-Secure Mobile Security",
"version": {
"version_data": [
{
"platform": "iOS",
"version_affected": "\u003c",
"version_name": "18.3x",
"version_value": "18.4x"
}
]
}
}
]
},
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}
]
}
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"description": {
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{
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"value": "Showing the legitimate URL in the address bar while loading the content from other domain. This makes the user believe that the content is served by a legit domain. Exploiting the vulnerability requires the user to click on a specially crafted, seemingly legitimate URL containing an embedded malicious redirect while using F-Secure Safe Browser for iOS."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
}
},
"problemtype": {
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{
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{
"lang": "eng",
"value": "Fake Apple login prompt in F-Secure SAFE browser for iOS"
}
]
}
]
},
"references": {
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"name": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame",
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"url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"
},
{
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},
{
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"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories"
},
{
"name": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596",
"refsource": "MISC",
"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596"
},
{
"name": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories",
"refsource": "MISC",
"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories"
}
]
},
"solution": [
{
"lang": "eng",
"value": "Upgrade to version 18.4.x or newer from the App Store "
}
],
"source": {
"discovery": "EXTERNAL"
}
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:f-secure:safe:*:*:*:*:*:iphone_os:*:*",
"cpe_name": [],
"versionEndExcluding": "18.4.272901",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve-notifications-us@f-secure.com",
"ID": "CVE-2021-33596"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "Showing the legitimate URL in the address bar while loading the content from other domain. This makes the user believe that the content is served by a legit domain. Exploiting the vulnerability requires the user to click on a specially crafted, seemingly legitimate URL containing an embedded malicious redirect while using F-Secure Safe Browser for iOS."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-1021"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame",
"refsource": "MISC",
"tags": [
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],
"url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"
},
{
"name": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories"
},
{
"name": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33596"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 1.4
}
},
"lastModifiedDate": "2021-08-12T17:50Z",
"publishedDate": "2021-08-05T20:15Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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