ubuntu-cve-2018-1000021
Vulnerability from osv_ubuntu
Published
2018-02-09 23:29
Modified
2026-03-03 05:05
Summary
Details
GIT version 2.15.1 and earlier contains a Input Validation Error vulnerability in Client that can result in problems including messing up terminal configuration to RCE. This attack appear to be exploitable via The user must interact with a malicious git server, (or have their traffic modified in a MITM attack).
Severity
5.0 (Medium)
8.8 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-all",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-arch",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-core",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-el",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-email",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-man",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "gitk",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.7.4-0ubuntu1.10+esm13"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.7.4-0ubuntu1.10+esm13?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.5.0-1",
"1:2.6.2-1",
"1:2.6.3-1",
"1:2.6.4-1",
"1:2.7.0~rc3-1",
"1:2.7.0-1",
"1:2.7.3-0ubuntu1",
"1:2.7.4-0ubuntu1",
"1:2.7.4-0ubuntu1.1",
"1:2.7.4-0ubuntu1.2",
"1:2.7.4-0ubuntu1.3",
"1:2.7.4-0ubuntu1.4",
"1:2.7.4-0ubuntu1.5",
"1:2.7.4-0ubuntu1.6",
"1:2.7.4-0ubuntu1.7",
"1:2.7.4-0ubuntu1.8",
"1:2.7.4-0ubuntu1.9",
"1:2.7.4-0ubuntu1.10",
"1:2.7.4-0ubuntu1.10+esm1",
"1:2.7.4-0ubuntu1.10+esm3",
"1:2.7.4-0ubuntu1.10+esm4",
"1:2.7.4-0ubuntu1.10+esm5",
"1:2.7.4-0ubuntu1.10+esm6",
"1:2.7.4-0ubuntu1.10+esm7",
"1:2.7.4-0ubuntu1.10+esm8",
"1:2.7.4-0ubuntu1.10+esm9",
"1:2.7.4-0ubuntu1.10+esm10",
"1:2.7.4-0ubuntu1.10+esm11",
"1:2.7.4-0ubuntu1.10+esm13"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-all",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-el",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-email",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-man",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "gitk",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.17.1-1ubuntu0.18+esm8"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.17.1-1ubuntu0.18+esm8?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.14.1-1ubuntu4",
"1:2.15.1-1ubuntu2",
"1:2.17.0-1ubuntu1",
"1:2.17.1-1ubuntu0.1",
"1:2.17.1-1ubuntu0.3",
"1:2.17.1-1ubuntu0.4",
"1:2.17.1-1ubuntu0.5",
"1:2.17.1-1ubuntu0.6",
"1:2.17.1-1ubuntu0.7",
"1:2.17.1-1ubuntu0.8",
"1:2.17.1-1ubuntu0.9",
"1:2.17.1-1ubuntu0.10",
"1:2.17.1-1ubuntu0.11",
"1:2.17.1-1ubuntu0.12",
"1:2.17.1-1ubuntu0.13",
"1:2.17.1-1ubuntu0.14",
"1:2.17.1-1ubuntu0.15",
"1:2.17.1-1ubuntu0.16",
"1:2.17.1-1ubuntu0.17",
"1:2.17.1-1ubuntu0.18",
"1:2.17.1-1ubuntu0.18+esm1",
"1:2.17.1-1ubuntu0.18+esm2",
"1:2.17.1-1ubuntu0.18+esm3",
"1:2.17.1-1ubuntu0.18+esm4",
"1:2.17.1-1ubuntu0.18+esm6",
"1:2.17.1-1ubuntu0.18+esm8"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-all",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-el",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-email",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-man",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "gitk",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.25.1-1ubuntu3.14+esm5"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.25.1-1ubuntu3.14+esm5?arch=source\u0026distro=esm-infra/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.20.1-2ubuntu1",
"1:2.24.0-1ubuntu1",
"1:2.24.0-1ubuntu2",
"1:2.25.0-1ubuntu1",
"1:2.25.1-1ubuntu1",
"1:2.25.1-1ubuntu2",
"1:2.25.1-1ubuntu3",
"1:2.25.1-1ubuntu3.1",
"1:2.25.1-1ubuntu3.2",
"1:2.25.1-1ubuntu3.3",
"1:2.25.1-1ubuntu3.4",
"1:2.25.1-1ubuntu3.5",
"1:2.25.1-1ubuntu3.6",
"1:2.25.1-1ubuntu3.7",
"1:2.25.1-1ubuntu3.8",
"1:2.25.1-1ubuntu3.10",
"1:2.25.1-1ubuntu3.11",
"1:2.25.1-1ubuntu3.12",
"1:2.25.1-1ubuntu3.13",
"1:2.25.1-1ubuntu3.14",
"1:2.25.1-1ubuntu3.14+esm1",
"1:2.25.1-1ubuntu3.14+esm2",
"1:2.25.1-1ubuntu3.14+esm3",
"1:2.25.1-1ubuntu3.14+esm4",
"1:2.25.1-1ubuntu3.14+esm5"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "git-all",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "git-email",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "git-man",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "gitk",
"binary_version": "1:2.34.1-1ubuntu1.17"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.34.1-1ubuntu1.17"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.34.1-1ubuntu1.17?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.32.0-1ubuntu1",
"1:2.33.1-1ubuntu1",
"1:2.34.1-1ubuntu1",
"1:2.34.1-1ubuntu1.1",
"1:2.34.1-1ubuntu1.2",
"1:2.34.1-1ubuntu1.4",
"1:2.34.1-1ubuntu1.5",
"1:2.34.1-1ubuntu1.6",
"1:2.34.1-1ubuntu1.8",
"1:2.34.1-1ubuntu1.9",
"1:2.34.1-1ubuntu1.10",
"1:2.34.1-1ubuntu1.11",
"1:2.34.1-1ubuntu1.12",
"1:2.34.1-1ubuntu1.13",
"1:2.34.1-1ubuntu1.14",
"1:2.34.1-1ubuntu1.15",
"1:2.34.1-1ubuntu1.16",
"1:2.34.1-1ubuntu1.17"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "git-all",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "git-email",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "git-man",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "gitk",
"binary_version": "1:2.43.0-1ubuntu7.3"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.43.0-1ubuntu7.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.43.0-1ubuntu7.3?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.40.1-1ubuntu1",
"1:2.43.0-1ubuntu1",
"1:2.43.0-1ubuntu5",
"1:2.43.0-1ubuntu6",
"1:2.43.0-1ubuntu7",
"1:2.43.0-1ubuntu7.1",
"1:2.43.0-1ubuntu7.2",
"1:2.43.0-1ubuntu7.3"
]
}
],
"aliases": [],
"details": "GIT version 2.15.1 and earlier contains a Input Validation Error vulnerability in Client that can result in problems including messing up terminal configuration to RCE. This attack appear to be exploitable via The user must interact with a malicious git server, (or have their traffic modified in a MITM attack).",
"id": "UBUNTU-CVE-2018-1000021",
"modified": "2026-03-03T05:05:47Z",
"published": "2018-02-09T23:29:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-1000021"
},
{
"type": "REPORT",
"url": "http://www.batterystapl.es/2018/01/security-implications-of-ansi-escape.html"
},
{
"type": "REPORT",
"url": "https://public-inbox.org/git/20180205204312.GB104086@aiede.svl.corp.google.com/"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-1000021"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2018-1000021"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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