nvd-json-data-feeds/CVE-2024/CVE-2024-63xx/CVE-2024-6387.json

{
  "id": "CVE-2024-6387",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2024-07-01T13:15:06.467",
  "lastModified": "2024-07-02T14:15:14.133",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A signal handler race condition was found in OpenSSH's server (sshd), where a client does not authenticate within LoginGraceTime seconds (120 by default, 600 in old OpenSSH versions), then sshd's SIGALRM handler is called asynchronously. However, this signal handler calls various functions that are not async-signal-safe, for example, syslog()."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una condici\u00f3n de ejecuci\u00f3n del controlador de se\u00f1ales en el servidor de OpenSSH (sshd), donde un cliente no se autentica dentro de los segundos de LoginGraceTime (120 de forma predeterminada, 600 en versiones anteriores de OpenSSH), luego se llama al controlador SIGALRM de sshd de forma asincr\u00f3nica. Sin embargo, este controlador de se\u00f1ales llama a varias funciones que no son seguras para se\u00f1ales as\u00edncronas, por ejemplo, syslog()."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "secalert@redhat.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "secalert@redhat.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-364"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2024/07/01/12",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2024/07/01/13",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2024/07/02/1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2024-6387",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://archlinux.org/news/the-sshd-service-needs-to-be-restarted-after-upgrading-to-openssh-98p1/",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://blog.qualys.com/vulnerabilities-threat-research/2024/07/01/regresshion-remote-unauthenticated-code-execution-vulnerability-in-openssh-server",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2294604",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://explore.alas.aws.amazon.com/CVE-2024-6387.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/oracle/oracle-linux/issues/149",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/rapier1/hpn-ssh/issues/87",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/zgzhang/cve-2024-6387-poc",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://lists.mindrot.org/pipermail/openssh-unix-dev/2024-July/041431.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://news.ycombinator.com/item?id=40843778",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0010",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://security-tracker.debian.org/tracker/CVE-2024-6387",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20240701-0001/",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://stackdiary.com/openssh-race-condition-in-sshd-allows-remote-code-execution/",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://ubuntu.com/security/CVE-2024-6387",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://ubuntu.com/security/notices/USN-6859-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.openssh.com/txt/release-9.8",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txt",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.suse.com/security/cve/CVE-2024-6387.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.theregister.com/2024/07/01/regresshion_openssh/",
      "source": "secalert@redhat.com"
    }
  ]
}