suse-su-2020:1823-1
Vulnerability from csaf_suse
Published
2020-07-02 09:32
Modified
2020-07-02 09:32
Summary
Security update for ntp

Notes

Title of the patch
Security update for ntp
Description of the patch
This update for ntp fixes the following issues: ntp was updated to 4.2.8p15 - CVE-2020-11868: Fixed an issue which a server mode packet with spoofed source address frequently send to the client ntpd could have caused denial of service (bsc#1169740). - CVE-2018-8956: Fixed an issue which could have allowed remote attackers to prevent a broadcast client from synchronizing its clock with a broadcast NTP server via spoofed mode 3 and mode 5 packets (bsc#1171355). - CVE-2020-13817: Fixed an issue which an off-path attacker with the ability to query time from victim's ntpd instance could have modified the victim's clock by a limited amount (bsc#1172651). - CVE-2020-15025: Fixed an issue which remote attacker could have caused denial of service by consuming the memory when a CMAC key was used andassociated with a CMAC algorithm in the ntp.keys (bsc#1173334). - Removed an OpenSSL version warning (bsc#992038 and bsc#1125401).
Patchnames
SUSE-2020-1823,SUSE-SLE-Module-Legacy-15-SP1-2020-1823,SUSE-SLE-Module-Legacy-15-SP2-2020-1823,SUSE-SLE-Product-SLES-15-2020-1823,SUSE-SLE-Product-SLES_SAP-15-2020-1823
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

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        "text": "This update for ntp fixes the following issues:\n\nntp was updated to 4.2.8p15\n\n- CVE-2020-11868: Fixed an issue which a server mode packet with spoofed source address \n  frequently send to the client ntpd could have caused denial of service (bsc#1169740).\n- CVE-2018-8956: Fixed an issue which could have allowed remote attackers to prevent \n  a broadcast client from synchronizing its clock with a broadcast NTP server via spoofed \n  mode 3 and mode 5 packets (bsc#1171355).\n- CVE-2020-13817: Fixed an issue which an off-path attacker with the ability to query time \n  from victim\u0027s ntpd instance could have modified the victim\u0027s clock by a limited amount (bsc#1172651).\n- CVE-2020-15025: Fixed an issue which remote attacker could have caused denial of service by consuming \n  the memory when a CMAC key was used andassociated with a CMAC algorithm in the ntp.keys (bsc#1173334).\n- Removed an OpenSSL version warning (bsc#992038 and bsc#1125401).\n",
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  "vulnerabilities": [
    {
      "cve": "CVE-2018-8956",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-8956"
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      "notes": [
        {
          "category": "general",
          "text": "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\u0027s behalf and send them to the attacker.",
          "title": "CVE description"
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          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-07-02T09:32:43Z",
          "details": "low"
        }
      ],
      "title": "CVE-2018-8956"
    },
    {
      "cve": "CVE-2020-11868",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-11868"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "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.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.aarch64",
          "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.ppc64le",
          "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.s390x",
          "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.x86_64",
          "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.aarch64",
          "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.ppc64le",
          "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.s390x",
          "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.x86_64",
          "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.aarch64",
          "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.ppc64le",
          "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.s390x",
          "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-11868",
          "url": "https://www.suse.com/security/cve/CVE-2020-11868"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1169740 for CVE-2020-11868",
          "url": "https://bugzilla.suse.com/1169740"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-07-02T09:32:43Z",
          "details": "low"
        }
      ],
      "title": "CVE-2020-11868"
    },
    {
      "cve": "CVE-2020-13817",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-13817"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "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\u0027s ntpd instance.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.aarch64",
          "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.ppc64le",
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          "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-13817",
          "url": "https://www.suse.com/security/cve/CVE-2020-13817"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1172651 for CVE-2020-13817",
          "url": "https://bugzilla.suse.com/1172651"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.aarch64",
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            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.x86_64",
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            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.s390x",
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            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.s390x",
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            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-07-02T09:32:43Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2020-13817"
    },
    {
      "cve": "CVE-2020-15025",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-15025"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "ntpd in ntp 4.2.8 before 4.2.8p15 and 4.3.x before 4.3.101 allows remote attackers to cause a denial of service (memory consumption) by sending packets, because memory is not freed in situations where a CMAC key is used and associated with a CMAC algorithm in the ntp.keys file.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.ppc64le",
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          "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.aarch64",
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          "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-15025",
          "url": "https://www.suse.com/security/cve/CVE-2020-15025"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1173334 for CVE-2020-15025",
          "url": "https://bugzilla.suse.com/1173334"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP1:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Module for Legacy 15 SP2:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.aarch64",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.s390x",
            "SUSE Linux Enterprise Server 15-LTSS:ntp-4.2.8p15-4.10.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 15:ntp-4.2.8p15-4.10.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-07-02T09:32:43Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2020-15025"
    }
  ]
}


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Tags
Taxonomy of the tags.




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.