gsd-2018-12026
Vulnerability from gsd
Modified
2018-06-12 00:00
Details
During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2018-12026",
"description": "During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation.",
"id": "GSD-2018-12026",
"references": [
"https://www.suse.com/security/cve/CVE-2018-12026.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "passenger",
"purl": "pkg:gem/passenger"
}
}
],
"aliases": [
"CVE-2018-12026"
],
"details": "During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation.",
"id": "GSD-2018-12026",
"modified": "2018-06-12T00:00:00.000Z",
"published": "2018-06-12T00:00:00.000Z",
"references": [
{
"type": "WEB",
"url": "https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes/"
}
],
"related": [
"CVE-2018-12027",
"CVE-2018-12028"
],
"schema_version": "1.4.0",
"severity": [
{
"score": 7.5,
"type": "CVSS_V2"
},
{
"score": 9.8,
"type": "CVSS_V3"
}
],
"summary": "SpawningKit exploits"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2018-12026",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
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}
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"data_type": "CVE",
"data_version": "4.0",
"description": {
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"value": "During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation."
}
]
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"name": "https://blog.phusion.nl/passenger-5-3-2",
"refsource": "MISC",
"url": "https://blog.phusion.nl/passenger-5-3-2"
},
{
"name": "GLSA-201807-02",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/201807-02"
}
]
}
},
"github.com/rubysec/ruby-advisory-db": {
"cve": "2018-12026",
"cvss_v2": 7.5,
"cvss_v3": 9.8,
"date": "2018-06-12",
"description": "During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation.",
"gem": "passenger",
"patched_versions": [
"\u003e= 5.3.2"
],
"related": {
"cve": [
"2018-12027",
"2018-12028"
]
},
"title": "SpawningKit exploits",
"unaffected_versions": [
"\u003c 5.3.0"
],
"url": "https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes/"
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003e=5.3.0 \u003c5.3.2",
"affected_versions": "All versions starting from 5.3.0 before 5.3.2",
"cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-59",
"CWE-937"
],
"date": "2019-03-08",
"description": "During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation.",
"fixed_versions": [
"5.3.2"
],
"identifier": "CVE-2018-12026",
"identifiers": [
"CVE-2018-12026"
],
"not_impacted": "All versions before 5.3.0, all versions starting from 5.3.2",
"package_slug": "gem/passenger",
"pubdate": "2018-06-17",
"solution": "Upgrade to version 5.3.2 or above.",
"title": "Improper Link Resolution Before File Access",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2018-12026",
"https://blog.phusion.nl/passenger-5-3-2"
],
"uuid": "c1c27b6f-2812-4b23-b941-d3870f880e92"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:phusion:passenger:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "5.3.2",
"versionStartIncluding": "5.3.0",
"vulnerable": true
}
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"operator": "OR"
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"description": {
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"value": "During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
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"value": "CWE-59"
}
]
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]
},
"references": {
"reference_data": [
{
"name": "https://blog.phusion.nl/passenger-5-3-2",
"refsource": "MISC",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"url": "https://blog.phusion.nl/passenger-5-3-2"
},
{
"name": "GLSA-201807-02",
"refsource": "GENTOO",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/201807-02"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
},
"lastModifiedDate": "2019-03-08T14:17Z",
"publishedDate": "2018-06-17T20:29Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.
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