GSD-2022-24825
Vulnerability from gsd - Updated: 2023-12-13 01:19Details
Smokescreen is a simple HTTP proxy that fogs over naughty URLs. The primary use case for Smokescreen is to prevent server-side request forgery (SSRF) attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure. Smokescreen also offers an option to deny access to additional (e.g., external) URLs by way of a deny list. There was an issue in Smokescreen that made it possible to bypass the deny list feature by appending a dot to the end of user-supplied URLs, or by providing input in a different letter case. Recommended to upgrade Smokescreen to version 0.0.3 or later.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-24825",
"description": "Smokescreen is a simple HTTP proxy that fogs over naughty URLs. The primary use case for Smokescreen is to prevent server-side request forgery (SSRF) attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure. Smokescreen also offers an option to deny access to additional (e.g., external) URLs by way of a deny list. There was an issue in Smokescreen that made it possible to bypass the deny list feature by appending a dot to the end of user-supplied URLs, or by providing input in a different letter case. Recommended to upgrade Smokescreen to version 0.0.3 or later.",
"id": "GSD-2022-24825"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2022-24825"
],
"details": "Smokescreen is a simple HTTP proxy that fogs over naughty URLs. The primary use case for Smokescreen is to prevent server-side request forgery (SSRF) attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure. Smokescreen also offers an option to deny access to additional (e.g., external) URLs by way of a deny list. There was an issue in Smokescreen that made it possible to bypass the deny list feature by appending a dot to the end of user-supplied URLs, or by providing input in a different letter case. Recommended to upgrade Smokescreen to version 0.0.3 or later.",
"id": "GSD-2022-24825",
"modified": "2023-12-13T01:19:42.996168Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2022-24825",
"STATE": "PUBLIC",
"TITLE": "Smokescreen SSRF via deny list bypass"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "smokescreen",
"version": {
"version_data": [
{
"version_value": "\u003c 0.0.3"
}
]
}
}
]
},
"vendor_name": "stripe"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Smokescreen is a simple HTTP proxy that fogs over naughty URLs. The primary use case for Smokescreen is to prevent server-side request forgery (SSRF) attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure. Smokescreen also offers an option to deny access to additional (e.g., external) URLs by way of a deny list. There was an issue in Smokescreen that made it possible to bypass the deny list feature by appending a dot to the end of user-supplied URLs, or by providing input in a different letter case. Recommended to upgrade Smokescreen to version 0.0.3 or later."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
"version": "3.1"
}
},
"problemtype": {
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{
"description": [
{
"lang": "eng",
"value": "CWE-918: Server-Side Request Forgery (SSRF)"
}
]
}
]
},
"references": {
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{
"name": "https://github.com/stripe/smokescreen/security/advisories/GHSA-gcj7-j438-hjj2",
"refsource": "CONFIRM",
"url": "https://github.com/stripe/smokescreen/security/advisories/GHSA-gcj7-j438-hjj2"
},
{
"name": "https://github.com/stripe/smokescreen",
"refsource": "MISC",
"url": "https://github.com/stripe/smokescreen"
}
]
},
"source": {
"advisory": "GHSA-gcj7-j438-hjj2",
"discovery": "UNKNOWN"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003cv0.0.3",
"affected_versions": "All versions before 0.0.3",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2022-04-12",
"description": "The primary use case for Smokescreen is to prevent server-side request forgery (SSRF) attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure.\n\nSmokescreen also offers an option to deny access to additional (e.g., external) URLs by way of a deny list. There was an issue in Smokescreen that made it possible to bypass the deny list feature by appending a dot to the end of user-supplied URLs, or by providing input in a different letter case.\n\n### Recommendation\nUpgrade Smokescreen to version 0.0.3 or later.\n\n### Acknowledgements\nThanks to [Grzegorz Niedziela](https://twitter.com/gregxsunday) for reporting the issue.\n\n### For more information\nEmail us at security@stripe.com",
"fixed_versions": [
"v0.0.3"
],
"identifier": "GMS-2022-831",
"identifiers": [
"GHSA-gcj7-j438-hjj2",
"GMS-2022-831",
"CVE-2022-24825"
],
"not_impacted": "All versions starting from 0.0.3",
"package_slug": "go/github.com/stripe/smokescreen",
"pubdate": "2022-04-07",
"solution": "Upgrade to version 0.0.3 or above.",
"title": "Smokescreen SSRF via deny list bypass",
"urls": [
"https://github.com/stripe/smokescreen/security/advisories/GHSA-gcj7-j438-hjj2",
"https://github.com/advisories/GHSA-gcj7-j438-hjj2"
],
"uuid": "130cf266-464a-4202-b474-bf9b64eaf264",
"versions": [
{
"commit": {
"sha": "4a2481d8e294d8cc55dc9d735d0dd9d8a9ee5b82",
"tags": [
"v0.0.3"
],
"timestamp": "20211215192101"
},
"number": "v0.0.3"
}
]
}
]
},
"nvd.nist.gov": {
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"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:stripe:smokescreen:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "0.0.3",
"vulnerable": true
}
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"operator": "OR"
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"cve": {
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"ID": "CVE-2022-24825"
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"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "Smokescreen is a simple HTTP proxy that fogs over naughty URLs. The primary use case for Smokescreen is to prevent server-side request forgery (SSRF) attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure. Smokescreen also offers an option to deny access to additional (e.g., external) URLs by way of a deny list. There was an issue in Smokescreen that made it possible to bypass the deny list feature by appending a dot to the end of user-supplied URLs, or by providing input in a different letter case. Recommended to upgrade Smokescreen to version 0.0.3 or later."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-918"
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"references": {
"reference_data": [
{
"name": "https://github.com/stripe/smokescreen/security/advisories/GHSA-gcj7-j438-hjj2",
"refsource": "CONFIRM",
"tags": [
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"url": "https://github.com/stripe/smokescreen/security/advisories/GHSA-gcj7-j438-hjj2"
},
{
"name": "https://github.com/stripe/smokescreen",
"refsource": "MISC",
"tags": [
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"url": "https://github.com/stripe/smokescreen"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
},
"lastModifiedDate": "2022-04-27T18:42Z",
"publishedDate": "2022-04-19T20:15Z"
}
}
}
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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.
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- 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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