CVE-2015-5219
The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service
02 Description
The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 6.08% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.2% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-07-21 14:00Z9 YR AGO
- Last updated
- 2024-08-06 06:41Z2 YR AGO
- Reserved
- 2015-07-01
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- c0884534240b678196faf2613f02396b8c8f8fc26486a30869411473141b61b0
05 Affected products
06 References
- aix.software.ibm.comhttp://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc
- www-01.ibm.comhttps://www-01.ibm.com/support/docview.wss?uid=isg3T1024157
- github.comhttps://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8
- lists.opensuse.orgopenSUSE-SU:2016:3280http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html
- www.ibm.comhttps://www.ibm.com/support/home/docdisplay?lndocid=migr-5099409
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- www.ubuntu.comUSN-2783-1http://www.ubuntu.com/usn/USN-2783-1
- www-01.ibm.comhttps://www-01.ibm.com/support/docview.wss?uid=swg21986956
- www-01.ibm.comhttps://www-01.ibm.com/support/docview.wss?uid=swg21988706
- rhn.redhat.comRHSA-2016:2583http://rhn.redhat.com/errata/RHSA-2016-2583.html
- lists.fedoraproject.orgFEDORA-2015-77bfbc1bcdhttp://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html
- bk1.ntp.orghttp://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg
- rhn.redhat.comRHSA-2016:0780http://rhn.redhat.com/errata/RHSA-2016-0780.html
- www.debian.orgDSA-3388http://www.debian.org/security/2015/dsa-3388
- www.openwall.com[oss-security] 20150825 Several low impact ntp.org ntpd issueshttp://www.openwall.com/lists/oss-security/2015/08/25/3
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1255118
- www.securityfocus.com76473http://www.securityfocus.com/bid/76473
- lists.opensuse.orgSUSE-SU:2016:1311http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
- lists.fedoraproject.orgFEDORA-2015-14212http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html
- www-01.ibm.comhttps://www-01.ibm.com/support/docview.wss?uid=swg21989542
- www-01.ibm.comhttps://www-01.ibm.com/support/docview.wss?uid=swg21985122
- lists.fedoraproject.orgFEDORA-2015-14213http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
07 Fixed in
Debian 11
- ntp Fixed in 1:4.2.8p3+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- ntp Fixed in 1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.