ghsa-6m57-q338-h677
Vulnerability from github
Published
2022-05-14 01:35
Modified
2022-05-14 01:35
Severity ?
6.5 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
Details

The smtplib library in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 does not return an error when StartTLS fails, 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."

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{
  "affected": [],
  "aliases": [
    "CVE-2016-0772"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-693"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-09-02T14:59:00Z",
    "severity": "MODERATE"
  },
  "details": "The smtplib library in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 does not return an error when StartTLS fails, 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-6m57-q338-h677",
  "modified": "2022-05-14T01:35:22Z",
  "published": "2022-05-14T01:35:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-0772"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1303647"
    },
    {
      "type": "WEB",
      "url": "https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5"
    },
    {
      "type": "WEB",
      "url": "https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2"
    },
    {
      "type": "WEB",
      "url": "https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS"
    },
    {
      "type": "WEB",
      "url": "https://hg.python.org/cpython/rev/b3ce713fb9be"
    },
    {
      "type": "WEB",
      "url": "https://hg.python.org/cpython/rev/d590114c2394"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00011.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201701-18"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-1626.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-1627.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-1628.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-1629.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-1630.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/06/14/9"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/91225"
    },
    {
      "type": "WEB",
      "url": "http://www.splunk.com/view/SP-CAAAPSV"
    },
    {
      "type": "WEB",
      "url": "http://www.splunk.com/view/SP-CAAAPUE"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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