rhsa-2020_1335
Vulnerability from csaf_redhat
Published
2020-04-06 16:33
Modified
2024-11-05 22:02
Summary
Red Hat Security Advisory: telnet security update

Notes

Topic
An update for telnet is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Telnet is a popular protocol for logging in to remote systems over the Internet. The telnet-server packages include a telnet service that supports remote logins into the host machine. The telnet service is disabled by default. Security Fix(es): * telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code (CVE-2020-10188) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-10188"
        },
        {
          "category": "external",
          "summary": "RHBZ#1811673",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1811673"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-10188",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-10188"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-10188",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-10188"
        }
      ],
      "release_date": "2020-02-28T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-04-06T16:33:30+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
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