CVE-2017-17831: Github.com/git lfs/git lfs GitHub Git LFS Arbitrary Command Vulnerability
HIGHCVE-2017-17831 is a HIGH (CVSS 8.8) github git lfs arbitrary command vulnerability (CWE-20: Improper Input Validation) affecting Github.com/git lfs/git lfs libraries in the Go ecosystem. The issue involves github git lfs arbitrary command execution vulnerability. Remediation is available by upgrading affected packages to version 2.1.1-0.20170519163204-f913f5f9c7c6.
CVE-2017-17831 at a Glance
Security Impact
CVSS: 8.8
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
How to Fix CVE-2017-17831
To remediate this vulnerability, upgrade all affected Github.com/git lfs/git lfs dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/git-lfs/git-lfs to 2.1.1-0.20170519163204-f913f5f9c7c6Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/git-lfs/git-lfsHow to Check if You Are Affected
To determine whether your application is affected by CVE-2017-17831, inspect your project dependencies for Github.com/git lfs/git lfs:
inspect dependencies for github.com/git-lfs/git-lfsAnalyze the terminal output to locate any version of Github.com/git lfs/git lfs in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.1.1-0.20170519163204-f913f5f9c7c6), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Github.com/git lfs/git lfs, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2017-17831 Affected Github.com/git lfs/git lfs Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/git-lfs/git-lfs
|
Go |
< 2.1.1-0.20170519163204-f913f5f9c7c6
|
2.1.1-0.20170519163204-f913f5f9c7c6
|
References
Frequently Asked Questions
What is CVE-2017-17831?
Which Github.com/git lfs/git lfs versions are affected?
What version fixes CVE-2017-17831?
Is github.com/git-lfs/git-lfs affected?
What is the CVSS score of CVE-2017-17831?
What CWE is associated with CVE-2017-17831?
How can I check Go dependencies for CVE-2017-17831?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-w4xh-w33p-4v29",
"modified" : "2024-05-20T19:55:20Z",
"published" : "2022-05-14T00:55:16Z",
"aliases" : [ "CVE-2017-17831" ],
"summary" : "GitHub Git LFS Arbitrary command execution vulnerability",
"details" : "GitHub Git LFS before 2.1.1 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, located on a `url =` line in a `.lfsconfig` file within a repository.\n### Specific Go Packages Affected\ngithub.com/git-lfs/git-lfs/lfsapi",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/git-lfs/git-lfs"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.1.1-0.20170519163204-f913f5f9c7c6"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-17831"
}, {
"type" : "WEB",
"url" : "https://github.com/git-lfs/git-lfs/pull/2241"
}, {
"type" : "WEB",
"url" : "https://github.com/git-lfs/git-lfs/pull/2242"
}, {
"type" : "WEB",
"url" : "https://github.com/git-lfs/git-lfs/commit/f913f5f9c7c6d1301785fdf9884a2942d59cdf19"
}, {
"type" : "WEB",
"url" : "https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2018-01-24-942834324.html"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/git-lfs/git-lfs"
}, {
"type" : "WEB",
"url" : "https://github.com/git-lfs/git-lfs/releases/tag/v2.1.1"
}, {
"type" : "WEB",
"url" : "https://pkg.go.dev/vuln/GO-2021-0073"
}, {
"type" : "WEB",
"url" : "https://web.archive.org/web/20200227131639/http://www.securityfocus.com/bid/102926"
}, {
"type" : "WEB",
"url" : "http://blog.recurity-labs.com/2017-08-10/scm-vulns"
}, {
"type" : "WEB",
"url" : "http://www.securityfocus.com/bid/102926"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-20" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2023-02-08T00:28:40Z",
"nvd_published_at" : "2017-12-21T06:29:00Z"
}
}