GHSA-6CPC-MJ5C-M9RQ
Vulnerability from github – Published: 2019-02-18 23:40 – Updated: 2020-08-31 18:10Affected versions of cli use predictable temporary file names. If an attacker can create a symbolic link at the location of one of these temporarly file names, the attacker can arbitrarily write to any file that the user which owns the cli process has permission to write to.
Proof of Concept
By creating Symbolic Links at the following locations, the target of the link can be written to.
lock_file = '/tmp/' + cli.app + '.pid',
log_file = '/tmp/' + cli.app + '.log';
Recommendation
Update to version 1.0.0 or later.
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "cli"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2016-10538"
],
"database_specific": {
"cwe_ids": [
"CWE-22"
],
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T21:18:53Z",
"nvd_published_at": null,
"severity": "LOW"
},
"details": "Affected versions of `cli` use predictable temporary file names. If an attacker can create a symbolic link at the location of one of these temporarly file names, the attacker can arbitrarily write to any file that the user which owns the `cli` process has permission to write to.\n\n\n## Proof of Concept\n\nBy creating Symbolic Links at the following locations, the target of the link can be written to.\n```\nlock_file = \u0027/tmp/\u0027 + cli.app + \u0027.pid\u0027,\nlog_file = \u0027/tmp/\u0027 + cli.app + \u0027.log\u0027;\n```\n\n\n## Recommendation\n\nUpdate to version 1.0.0 or later.",
"id": "GHSA-6cpc-mj5c-m9rq",
"modified": "2020-08-31T18:10:40Z",
"published": "2019-02-18T23:40:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-10538"
},
{
"type": "WEB",
"url": "https://github.com/node-js-libs/cli/issues/81"
},
{
"type": "WEB",
"url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809252"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-6cpc-mj5c-m9rq"
},
{
"type": "WEB",
"url": "https://www.npmjs.com/advisories/95"
}
],
"schema_version": "1.4.0",
"severity": [],
"summary": "Arbitrary File Write in cli"
}
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