msrc_cve-2018-15686
Vulnerability from csaf_microsoft
Published
2018-10-02 00:00
Modified
2020-08-18 00:00
Summary
systemd: reexec state injection: fgets() on overlong lines leads to line splitting
Notes
Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
{
"document": {
"category": "csaf_vex",
"csaf_version": "2.0",
"distribution": {
"text": "Public",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en-US",
"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
}
],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
},
"references": [
{
"category": "self",
"summary": "CVE-2018-15686 systemd: reexec state injection: fgets() on overlong lines leads to line splitting - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2018/msrc_cve-2018-15686.json"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "systemd: reexec state injection: fgets() on overlong lines leads to line splitting",
"tracking": {
"current_release_date": "2020-08-18T00:00:00.000Z",
"generator": {
"date": "2025-10-19T17:23:22.817Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2018-15686",
"initial_release_date": "2018-10-02T00:00:00.000Z",
"revision_history": [
{
"date": "2020-08-18T00:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "1.0",
"product": {
"name": "CBL Mariner 1.0",
"product_id": "16820"
}
}
],
"category": "product_name",
"name": "Azure Linux"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003ccm1 systemd 239-31",
"product": {
"name": "\u003ccm1 systemd 239-31",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "cm1 systemd 239-31",
"product": {
"name": "cm1 systemd 239-31",
"product_id": "16951"
}
}
],
"category": "product_name",
"name": "systemd"
}
],
"category": "vendor",
"name": "Microsoft"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003ccm1 systemd 239-31 as a component of CBL Mariner 1.0",
"product_id": "16820-1"
},
"product_reference": "1",
"relates_to_product_reference": "16820"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "cm1 systemd 239-31 as a component of CBL Mariner 1.0",
"product_id": "16951-16820"
},
"product_reference": "16951",
"relates_to_product_reference": "16820"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2018-15686",
"cwe": {
"id": "CWE-502",
"name": "Deserialization of Untrusted Data"
},
"notes": [
{
"category": "general",
"text": "canonical",
"title": "Assigning CNA"
}
],
"product_status": {
"fixed": [
"16951-16820"
],
"known_affected": [
"16820-1"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2018-15686 systemd: reexec state injection: fgets() on overlong lines leads to line splitting - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2018/msrc_cve-2018-15686.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2020-08-18T00:00:00.000Z",
"details": "-:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
"product_ids": [
"16820-1"
],
"url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"temporalScore": 7.8,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"16820-1"
]
}
],
"title": "systemd: reexec state injection: fgets() on overlong lines leads to line splitting"
}
]
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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