ghsa-gx49-h5r3-q3xj
Vulnerability from github
Published
2022-05-24 19:09
Modified
2022-05-24 19:09
Severity
Details
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."
{
"affected": [],
"aliases": [
"CVE-2021-32066"
],
"database_specific": {
"cwe_ids": [
"CWE-326",
"CWE-755"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-08-01T19:15:00Z",
"severity": "HIGH"
},
"details": "An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a \"StartTLS stripping attack.\"",
"id": "GHSA-gx49-h5r3-q3xj",
"modified": "2022-05-24T19:09:28Z",
"published": "2022-05-24T19:09:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-32066"
},
{
"type": "WEB",
"url": "https://github.com/ruby/ruby/commit/a21a3b7d23704a01d34bd79d09dc37897e00922a"
},
{
"type": "WEB",
"url": "https://hackerone.com/reports/1178562"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202401-27"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20210902-0004"
},
{
"type": "WEB",
"url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
},
{
"type": "WEB",
"url": "https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
]
}
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