ghsa-r88r-gmrh-7j83
Vulnerability from github
Published
2022-12-28 00:30
Modified
2023-01-10 15:50
Severity
Summary
YAML Go package vulnerable to denial of service
Details
Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "gopkg.in/yaml.v2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.3"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Go",
"name": "github.com/go-yaml/yaml"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "2.1.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2021-4235"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": true,
"github_reviewed_at": "2022-12-30T19:02:10Z",
"nvd_published_at": "2022-12-27T22:15:00Z",
"severity": "MODERATE"
},
"details": "Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.",
"id": "GHSA-r88r-gmrh-7j83",
"modified": "2023-01-10T15:50:24Z",
"published": "2022-12-28T00:30:23Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4235"
},
{
"type": "WEB",
"url": "https://github.com/go-yaml/yaml/pull/375"
},
{
"type": "WEB",
"url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241"
},
{
"type": "PACKAGE",
"url": "https://github.com/go-yaml/yaml"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2021-0061"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "YAML Go package vulnerable to denial of service"
}
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