ubuntu-cve-2018-17456
Vulnerability from osv_ubuntu
Published
2018-10-06 00:00
Modified
2025-09-08 16:45
Summary
Details
Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive "git clone" of a superproject if a .gitmodules file has a URL field beginning with a '-' character.
Severity
9.8 (Critical)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "git",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-all",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-arch",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-bzr",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-core",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-cvs",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-el",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-email",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-gui",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-man",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "git-svn",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "gitk",
"binary_version": "1:1.9.1-1ubuntu0.9"
},
{
"binary_name": "gitweb",
"binary_version": "1:1.9.1-1ubuntu0.9"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:1.9.1-1ubuntu0.9?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.9.1-1ubuntu0.9"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:1.8.3.2-1",
"1:1.8.4.2-1",
"1:1.8.4.3-1",
"1:1.8.4.4-1",
"1:1.8.5-1",
"1:1.8.5.1-1",
"1:1.8.5.2-1",
"1:1.8.5.2-2",
"1:1.8.5.3-1",
"1:1.9~rc1-1",
"1:1.9.0-1",
"1:1.9.1-1",
"1:1.9.1-1ubuntu0.1",
"1:1.9.1-1ubuntu0.2",
"1:1.9.1-1ubuntu0.3",
"1:1.9.1-1ubuntu0.4",
"1:1.9.1-1ubuntu0.5",
"1:1.9.1-1ubuntu0.6",
"1:1.9.1-1ubuntu0.7",
"1:1.9.1-1ubuntu0.8"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-all",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-arch",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-core",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-el",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-email",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-man",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "gitk",
"binary_version": "1:2.7.4-0ubuntu1.5"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.7.4-0ubuntu1.5"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.7.4-0ubuntu1.5?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.7.4-0ubuntu1.5"
}
],
"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"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-all",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-el",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-email",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-man",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "gitk",
"binary_version": "1:2.17.1-1ubuntu0.3"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.17.1-1ubuntu0.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.17.1-1ubuntu0.3?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.17.1-1ubuntu0.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:2.14.1-1ubuntu4",
"1:2.15.1-1ubuntu2",
"1:2.17.0-1ubuntu1",
"1:2.17.1-1ubuntu0.1"
]
}
],
"aliases": [],
"details": "Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive \"git clone\" of a superproject if a .gitmodules file has a URL field beginning with a \u0027-\u0027 character.",
"id": "UBUNTU-CVE-2018-17456",
"modified": "2025-09-08T16:45:02Z",
"published": "2018-10-06T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-17456"
},
{
"type": "REPORT",
"url": "https://public-inbox.org/git/xmqqy3bcuy3l.fsf@gitster-ct.c.googlers.com/"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3791-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-17456"
}
],
"related": [
"USN-3791-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2018-17456"
]
}
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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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