gsd-2019-3856
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2019-3856",
"description": "An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.",
"id": "GSD-2019-3856",
"references": [
"https://www.suse.com/security/cve/CVE-2019-3856.html",
"https://www.debian.org/security/2019/dsa-4431",
"https://access.redhat.com/errata/RHSA-2019:2399",
"https://access.redhat.com/errata/RHSA-2019:1943",
"https://access.redhat.com/errata/RHSA-2019:1791",
"https://access.redhat.com/errata/RHSA-2019:1652",
"https://access.redhat.com/errata/RHSA-2019:1175",
"https://access.redhat.com/errata/RHSA-2019:0679",
"https://advisories.mageia.org/CVE-2019-3856.html",
"https://security.archlinux.org/CVE-2019-3856",
"https://alas.aws.amazon.com/cve/html/CVE-2019-3856.html",
"https://linux.oracle.com/cve/CVE-2019-3856.html",
"https://ubuntu.com/security/CVE-2019-3856"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
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"id": "GSD-2019-3856",
"modified": "2023-12-13T01:24:03.360972Z",
"schema_version": "1.4.0"
}
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}
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}
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},
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{
"name": "20190415 [SECURITY] [DSA 4431-1] libssh2 security update",
"refsource": "BUGTRAQ",
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{
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"url": "https://access.redhat.com/errata/RHSA-2019:1652"
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{
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},
"gitlab.com": {
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{
"affected_range": "(,1.8.1)",
"affected_versions": "All versions before 1.8.1",
"cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-787",
"CWE-937"
],
"date": "2020-10-15",
"description": "An integer overflow flaw, which could lead to an out-of-bounds write, was discovered in libssh2 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.",
"fixed_versions": [
"1.8.2"
],
"identifier": "CVE-2019-3856",
"identifiers": [
"CVE-2019-3856"
],
"not_impacted": "All versions starting from 1.8.1",
"package_slug": "nuget/libssh2-vc141_xp",
"pubdate": "2019-03-25",
"solution": "Upgrade to version 1.8.2 or above.",
"title": "Out-of-bounds Write",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2019-3856"
],
"uuid": "94873e81-a226-4f53-a4b0-4af1a25330e6"
}
]
},
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2020-10-15T13:43Z",
"publishedDate": "2019-03-25T19:29Z"
}
}
}
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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.
- 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.