High
Security advisory
Ruby before 2.4.3 allows Net::FTP command injection. Net::FTP#get, getbinaryfile, gettextfile, put, putbinaryfile, and puttextfile use Kernel#open to open a local file. If the localfile argument starts with the "|" pipe character, the command following the pipe character is executed. The default value of localfile is File.basename(remotefile), so malicious FTP servers could cause arbitrary command execution.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-17405
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:01 UTC · Revision 1
Source evidence
Ruby before 2.4.3 allows Net::FTP command injection. Net::FTP#get, getbinaryfile, gettextfile, put, putbinaryfile, and puttextfile use Kernel#open to open a local file. If the localfile argument starts with the "|" pipe character, the command following the pipe character is executed. The default value of localfile is File.basename(remotefile), so malicious FTP servers could cause arbitrary command execution.
osv:CVE-2017-17405
Complete source record
{
"id": "d1cd198df50e48096446287dbff4f05f3dc609bf0e643b604fd2d7d118cfc9e1",
"url": "https://osv.dev/vulnerability/CVE-2017-17405",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-17405",
"summary": "Ruby before 2.4.3 allows Net::FTP command injection. Net::FTP#get, getbinaryfile, gettextfile, put, putbinaryfile, and puttextfile use Kernel#open to open a local file. If the localfile argument starts with the \"|\" pipe character, the command following the pipe character is executed. The default value of localfile is File.basename(remotefile), so malicious FTP servers could cause arbitrary command execution.",
"evidence": "osv:CVE-2017-17405",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-17405",
"aliases": [
"CVE-2017-17405"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/ruby/ruby",
"type": "GIT",
"events": [
{
"introduced": "7393bf6a5cfff63683f36535e293caaa0d4c5be0"
},
{
"last_affected": "f3c3c788aa458ec9d57035c8f3091093bfcb9fa7"
},
{
"introduced": "d40ea2afa6ff5a6e5befcf342fb7b6dc58796b20"
},
{
"last_affected": "e07613e27ee9445abad9c6981e8d721a0df39f1c"
},
{
"introduced": "d4bb726b713658f56e630b6cf817a0155b6f390e"
},
{
"last_affected": "595af866bb46db24274dc26fb9b4d3af84fd0af5"
},
{
"introduced": "f11fbd79fd7000550188cfe19d04cce9f472d26b"
},
{
"last_affected": "f11fbd79fd7000550188cfe19d04cce9f472d26b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2"
},
{
"last_affected": "2.2.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.3"
},
{
"last_affected": "2.3.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4"
},
{
"last_affected": "2.4.2"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:ruby-lang:ruby:2.5.0:preview1:*:*:*:*:*:*",
"range": [
{
"introduced": "2.5.0-preview1"
},
{
"last_affected": "2.5.0-preview1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.5.0-preview1",
"v2_5_0_preview1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17405.json"
}
}
],
"modified": "2026-10-24T10:30:23.932582130Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2018:0378",
"https://access.redhat.com/errata/RHSA-2018:0583",
"https://access.redhat.com/errata/RHSA-2018:0584",
"https://access.redhat.com/errata/RHSA-2018:0585",
"https://access.redhat.com/errata/RHSA-2019:2806",
"https://lists.debian.org/debian-lts-announce/2017/12/msg00024.html",
"https://lists.debian.org/debian-lts-announce/2017/12/msg00025.html",
"https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html",
"https://www.debian.org/security/2018/dsa-4259",
"https://www.ruby-lang.org/en/news/2017/12/14/net-ftp-command-injection-cve-2017-17405/",
"https://www.ruby-lang.org/en/news/2017/12/14/ruby-2-4-3-released/",
"https://www.exploit-db.com/exploits/43381/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
},
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_desktop",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_aus",
"extracted_events": [
{
"range": [
{
"introduced": "7.4"
},
{
"last_affected": "7.4"
},
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_eus",
"extracted_events": [
{
"range": [
{
"introduced": "7.4"
},
{
"last_affected": "7.4"
},
{
"introduced": "7.5"
},
{
"last_affected": "7.5"
},
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_tus",
"extracted_events": [
{
"range": [
{
"introduced": "7.4"
},
{
"last_affected": "7.4"
},
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_workstation",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-17405",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431040,
"published_at": "2017-12-15T09:29:00.203+00:00"
}