gsd-2018-18509
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird < 60.5.1.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2018-18509",
"description": "A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren\u0027t covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird \u003c 60.5.1.",
"id": "GSD-2018-18509",
"references": [
"https://www.suse.com/security/cve/CVE-2018-18509.html",
"https://www.debian.org/security/2019/dsa-4392",
"https://access.redhat.com/errata/RHSA-2019:1144",
"https://access.redhat.com/errata/RHSA-2019:0681",
"https://access.redhat.com/errata/RHSA-2019:0680",
"https://ubuntu.com/security/CVE-2018-18509",
"https://advisories.mageia.org/CVE-2018-18509.html",
"https://security.archlinux.org/CVE-2018-18509",
"https://packetstormsecurity.com/files/cve/CVE-2018-18509"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
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],
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"id": "GSD-2018-18509",
"modified": "2023-12-13T01:22:36.252034Z",
"schema_version": "1.4.0"
}
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}
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{
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"refsource": "MLIST",
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},
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"refsource": "FULLDISC",
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"name": "http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html",
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}
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"nvd.nist.gov": {
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"nodes": [
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}
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},
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}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
},
"lastModifiedDate": "2019-06-03T19:29Z",
"publishedDate": "2019-04-26T17:29Z"
}
}
}
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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.
- 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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