CVE-2015-5219: canonical ubuntu_linux Incorrect Type Conversion or Cast
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2015-5219DEBIAN-CVE-2015-5219
Published 21-07-2017Last modified 06-08-2024
Vulnerability summary
CVE-2015-5219 is a high (CVSS 7.5) Incorrect Type Conversion or Cast vulnerability in canonical ubuntu_linux. EPSS estimates a 6.09% chance of exploitation in the next 30 days, higher than 93.3% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
6.09%
0%100%
Low · +0.25 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 6Timeline
- 21-07-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 (infinite loop) via a crafted NTP packet.
CVSS metrics
5 scores · 3 sources · 3 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
High 7.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
6.09%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
+0.25 pp
From 5.84% on 18-09-2026
18-09-202618-10-2026
EPSS score6.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse5 products
- linux_enterprise_debuginfo11:sp2 | 11:sp3
- linux_enterprise_server10:sp4 | 11:sp2 | 11:sp3
- manager2.1
- manager_proxy2.1
- openstack_cloud5
Redhat4 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_hpc_node6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_workstation6.0 | 7.0
Debian2 products
- ntp< 1:4.2.8p3+dfsg-1
- debian_linuxEOL7.0 | 8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.04 | 15.10
Fedoraproject1 product
- fedoraEOL21 | 22 | 23
Novell1 product
- leap42.2
Ntp1 product
- ntp≤ 4.2.7
Opensuse1 product
- leapEOL42.1
Oracle1 product
- linuxEOL6
Ubuntu1 product
- ntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
10 vendors · 18 products
References
28 links- github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlX Refsource CONFIRMThird Party Advisory
Show all 28 references
- lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
- bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhgX Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2015/08/25/3Mailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.htmlVendor AdvisoryX Refsource SUSEBroken Link
- lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
us-cert.cisa.gov/ics/advisories/icsa-21-103-11X Refsource CONFIRMThird Party AdvisoryUS Government Resource