{"kind": "product", "path": "vulns/ubuntu-22.04-lts/ntp", "name": "ntp", "product": "ntp", "ecosystem": "Ubuntu:22.04:LTS", "items": [{"id": "CVE-2023-26555", "noindex": false, "published": "2023-04-11T00:00:00.000Z", "modified": "2025-02-11T21:03:51.172Z", "cvss": 6.4, "cvss_vector": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "medium", "epss": 0.00517, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-26555", "title": "CVE-2023-26555", "description": "praecis_parse in ntpd/refclock_palisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would be complex, e.g., with a manipulated GPS receiver.", "references": ["https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26555", "https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506546409", "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IY2SVYH4MKPAXEYHCCXD3Z6VGINLSVHK/"], "fixes": [], "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}]}, {"id": "CVE-2023-26554", "noindex": false, "published": "2023-04-11T00:00:00.000Z", "modified": "2025-02-11T15:26:14.067Z", "cvss": 5.6, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "severity": "medium", "epss": 0.0064, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-26554", "title": "CVE-2023-26554", "description": "mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\\0' character. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.", "references": ["https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26554", "https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321", "https://nvd.nist.gov/vuln/detail/CVE-2023-26554"], "fixes": [], "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}]}, {"id": "CVE-2023-26553", "noindex": false, "published": "2023-04-11T00:00:00.000Z", "modified": "2025-02-11T15:27:09.680Z", "cvss": 5.6, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "severity": "medium", "epss": 0.00697, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-26553", "title": "CVE-2023-26553", "description": "mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when copying the trailing number. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.", "references": ["https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26553", "https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321", "https://nvd.nist.gov/vuln/detail/CVE-2023-26553"], "fixes": [], "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}]}, {"id": "CVE-2023-26552", "noindex": false, "published": "2023-04-11T00:00:00.000Z", "modified": "2025-02-11T15:30:15.235Z", "cvss": 5.6, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "severity": "medium", "epss": 0.0064, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-26552", "title": "CVE-2023-26552", "description": "mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a decimal point. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.", "references": ["https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26552", "https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321", "https://nvd.nist.gov/vuln/detail/CVE-2023-26552"], "fixes": [], "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}]}, {"id": "CVE-2023-26551", "noindex": false, "published": "2023-04-11T00:00:00.000Z", "modified": "2025-02-11T15:32:41.155Z", "cvss": 5.6, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "severity": "medium", "epss": 0.00665, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-26551", "title": "CVE-2023-26551", "description": "mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cp<cpdec while loop. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.", "references": ["https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26551", "https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506667321", "https://nvd.nist.gov/vuln/detail/CVE-2023-26551"], "fixes": [], "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}]}, {"id": "CVE-2020-13817", "noindex": false, "published": "2020-06-04T12:31:55.000Z", "modified": "2025-05-05T17:07:58.872Z", "cvss": 7.4, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "severity": "high", "epss": 0.03362, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2020-13817", "title": "CVE-2020-13817", "description": "ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service (daemon exit or system time change) by predicting transmit timestamps for use in spoofed packets. The victim must be relying on unauthenticated IPv4 time sources. There must be an off-path attacker who can query time from the victim's ntpd instance.", "references": ["http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html", "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html", "https://security.gentoo.org/glsa/202007-12"], "fixes": [], "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}]}, {"id": "CVE-2018-8956", "noindex": false, "published": "2020-05-06T18:03:41.000Z", "modified": "2024-08-05T07:10:47.326Z", "cvss": 5.3, "cvss_vector": "", "severity": "medium", "epss": 0.03144, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2018-8956", "title": "CVE-2018-8956", "description": "ntpd in ntp 4.2.8p10, 4.2.8p11, 4.2.8p12 and 4.2.8p13 allow remote attackers to prevent a broadcast client from synchronizing its clock with a broadcast NTP server via soofed mode 3 and mode 5 packets. The attacker must either be a part of the same broadcast network or control a slave in that broadcast network that can capture certain required packets on the attacker's behalf and send them to the attacker.", "references": ["http://www.ntp.org/", "https://tools.ietf.org/html/rfc5905", "https://nikhiltripathi.in/NTP_attack.pdf"], "fixes": [], "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}]}, {"id": "CVE-2020-11868", "noindex": false, "published": "2020-04-17T03:31:05.000Z", "modified": "2025-05-05T17:08:18.997Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.02116, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2020-11868", "title": "CVE-2020-11868", "description": "ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.", "references": ["https://lists.debian.org/debian-lts-announce/2020/05/msg00004.html", "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html", "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html"], "fixes": [], "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}]}, {"id": "CVE-2019-8936", "noindex": false, "published": "2019-05-15T15:37:31.000Z", "modified": "2024-08-04T21:31:37.562Z", "cvss": 7.5, "cvss_vector": "", "severity": "high", "epss": 0.05726, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2019-8936", "title": "CVE-2019-8936", "description": "NTP through 4.2.8p12 has a NULL Pointer Dereference.", "references": ["https://security.gentoo.org/glsa/201903-15", "http://support.ntp.org/bin/view/Main/SecurityNotice", "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00032.html"], "fixes": ["1:4.2.8p12+dfsg-3ubuntu6"], "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}]}], "total": 9, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "ntp", "path": "vulns/ubuntu-22.04-lts/ntp", "ecosystem": "Ubuntu:22.04:LTS"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": [], "stats": {"recent": 0, "kev": 0}, "lastmod": "2025-05-05T17:08:18.997Z", "early_advisories": [], "license": "You may freely use the PatchFirst selection and our additions (priorities, early warnings, texts, summaries and aggregates) for your own purposes, including internal business use. Resale, commercial distribution and bulk mirroring of this selection or these additions require a written agreement with the operator. Whenever you use or publish the selection or our additions, credit PatchFirst (https://patchfirst.dev/vulns/) with this link to the regional feed page. Original records from open sources remain subject to their respective licenses and terms. These conditions do not restrict your rights to the original data, which you can obtain directly from those sources.", "terms_url": "https://patchfirst.dev/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "Records are selected, normalized and combined by PatchFirst; summaries and translations may be added. News is credited with a link to the original source in each entry.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Upstream licenses vary; see the source catalog."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Free public scores; attribution requested (FIRST EPSS, scores generated by Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. 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IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE."}, {"id": "linux-kernel", "name": "Linux kernel releases", "url": "https://www.kernel.org/", "license": "CC-BY-SA-4.0", "terms_url": "https://www.kernel.org/legal.html", "notice": "Copyright (C) 1997-2014 by The Linux Kernel Organization, Inc."}]}