csaf_redhat - rhsa-2018

rhsa-2018_3853

Vulnerability from csaf_redhat

Published

2018-12-19 17:43

Modified

2024-11-22 12:28

Summary

Red Hat Security Advisory: ntp security update

Notes

Topic

An update for ntp is now available for Red Hat Enterprise Linux 6.7 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Low. 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

The Network Time Protocol (NTP) is used to synchronize a computer's time with another referenced time source. These packages include the ntpd service which continuously adjusts system time and utilities used to query and configure the ntpd service. Security Fix(es): * ntp: Stack-based buffer overflow in ntpq and ntpdc allows denial of service or code execution (CVE-2018-12327) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

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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          "category": "description",
          "text": "The ntpq and ntpdc command-line utilities that are part of ntp package are vulnerable to stack-based buffer overflow via crafted hostname. Applications using these vulnerable utilities with an untrusted input may be potentially exploited, resulting in a crash or arbitrary code execution under privileges of that application.",
          "title": "Vulnerability description"
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          "text": "ntp: Stack-based buffer overflow in ntpq and ntpdc allows denial of service or code execution",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue affects the versions of ntp as shipped with Red Hat Enterprise Linux 7. Red Hat Product Security has rated this issue as having a security impact of Low. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.\n\nThis issue affects the versions of ntp as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.",
          "title": "Statement"
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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      "release_date": "2018-06-20T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2018-12-19T17:43:51+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\n\nAfter installing this update, the ntpd daemon will restart automatically.",
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      "scores": [
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          "cvss_v3": {
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "ntp: Stack-based buffer overflow in ntpq and ntpdc allows denial of service or code execution"
    }
  ]
}

cve-2018-12327

Vulnerability from cvelistv5

Published

2018-06-20 14:00

Modified

2024-08-05 08:30

Severity ?

Summary

Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or escalate to higher privileges via a long string as the argument for an IPv4 or IPv6 command-line parameter. NOTE: It is unclear whether there are any common situations in which ntpq or ntpdc is used with a command line from an untrusted source.

References

▼	URL	Tags
	https://access.redhat.com/errata/RHSA-2018:3854	vendor-advisory, x_refsource_REDHAT
	https://gist.github.com/fakhrizulkifli/9b58ed8e0354e8deee50b0eebd1c011f	x_refsource_MISC
	http://www.securityfocus.com/bid/104517	vdb-entry, x_refsource_BID
	https://www.exploit-db.com/exploits/44909/	exploit, x_refsource_EXPLOIT-DB
	https://access.redhat.com/errata/RHSA-2018:3853	vendor-advisory, x_refsource_REDHAT
	https://security.gentoo.org/glsa/201903-15	vendor-advisory, x_refsource_GENTOO
	https://access.redhat.com/errata/RHSA-2019:2077	vendor-advisory, x_refsource_REDHAT
	https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us	x_refsource_CONFIRM
	https://usn.ubuntu.com/4229-1/	vendor-advisory, x_refsource_UBUNTU

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T08:30:59.728Z",
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          "shortName": "CVE"
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          {
            "name": "RHSA-2018:3854",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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