UBUNTU-CVE-2020-12278

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Source
https://ubuntu.com/security/CVE-2020-12278
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12278.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-12278
Upstream
Downstream
Related
Published
2020-04-27T17:15:00Z
Modified
2025-07-18T16:45:49Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libgit2

Package

Name
libgit2
Purl
pkg:deb/ubuntu/libgit2@0.19.0-2ubuntu0.4+esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.19.0-2
0.19.0-2ubuntu0.4
0.19.0-2ubuntu0.4+esm1

Ubuntu:Pro:16.04:LTS / libgit2

Package

Name
libgit2
Purl
pkg:deb/ubuntu/libgit2@0.24.1-2ubuntu0.2+esm2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.24.1-2ubuntu0.2+esm2

Affected versions

0.*

0.22.2-2
0.23.1-1
0.24.1-2
0.24.1-2ubuntu0.2
0.24.1-2ubuntu0.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgit2-24",
            "binary_version": "0.24.1-2ubuntu0.2+esm2"
        },
        {
            "binary_name": "libgit2-24-dbgsym",
            "binary_version": "0.24.1-2ubuntu0.2+esm2"
        },
        {
            "binary_name": "libgit2-dev",
            "binary_version": "0.24.1-2ubuntu0.2+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:Pro:18.04:LTS / libgit2

Package

Name
libgit2
Purl
pkg:deb/ubuntu/libgit2@0.26.0+dfsg.1-1.1ubuntu0.2+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.26.0+dfsg.1-1.1ubuntu0.2+esm1

Affected versions

0.*

0.25.1+really0.24.6-1
0.26.0+dfsg.1-1.1
0.26.0+dfsg.1-1.1build1
0.26.0+dfsg.1-1.1ubuntu0.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgit2-26",
            "binary_version": "0.26.0+dfsg.1-1.1ubuntu0.2+esm1"
        },
        {
            "binary_name": "libgit2-26-dbgsym",
            "binary_version": "0.26.0+dfsg.1-1.1ubuntu0.2+esm1"
        },
        {
            "binary_name": "libgit2-dev",
            "binary_version": "0.26.0+dfsg.1-1.1ubuntu0.2+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}