ubuntu-cve-2021-40330
Vulnerability from osv_ubuntu
Published
2021-08-31 04:15
Modified
2025-09-08 16:47
Summary
Details
git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1 substring.
Severity
7.5 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-all",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-arch",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-core",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-el",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-email",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-man",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "gitk",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.7.4-0ubuntu1.10+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.7.4-0ubuntu1.10+esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.7.4-0ubuntu1.10+esm1"
}
],
"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"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-all",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-el",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-email",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-man",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "gitk",
"binary_version": "1:2.17.1-1ubuntu0.9"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.17.1-1ubuntu0.9"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.17.1-1ubuntu0.9?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.17.1-1ubuntu0.9"
}
],
"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"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "git",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-all",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-cvs",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-daemon-run",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-daemon-sysvinit",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-el",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-email",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-gui",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-man",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-mediawiki",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "git-svn",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "gitk",
"binary_version": "1:2.25.1-1ubuntu3.2"
},
{
"binary_name": "gitweb",
"binary_version": "1:2.25.1-1ubuntu3.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "git",
"purl": "pkg:deb/ubuntu/git@1:2.25.1-1ubuntu3.2?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.25.1-1ubuntu3.2"
}
],
"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"
]
}
],
"aliases": [],
"details": "git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1 substring.",
"id": "UBUNTU-CVE-2021-40330",
"modified": "2025-09-08T16:47:21Z",
"published": "2021-08-31T04:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-40330"
},
{
"type": "REPORT",
"url": "https://github.com/git/git/compare/v2.30.0...v2.30.1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5076-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-40330"
}
],
"related": [
"USN-5076-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-40330"
]
}
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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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