Home/CVE/The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial
CVE

CVE-2015-5194

The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial

The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial of service (ntpd crash) via crafted logconfig commands.

HIGH · CVSS 7.5 EPSS 0.0841
Schedule remediation
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules4 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

13
fedoraproject fedoraall versions
suse linux enterprise debuginfoall versions
suse linux enterprise serverall versions
suse managerall versions
suse manager proxyall versions
suse openstack cloudall versions
redhat enterprise linux desktopall versions
redhat enterprise linux hpc nodeall versions
◈

Sigma Hunt Rules

4
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPotential Malicious Usage of CloudTrail System Manager
producthighSuspicious Key Manager Access
producthighPotential Attachment Manager Settings Associations Tamper
producthighPotential Attachment Manager Settings Attachments Tamper
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Jul 2017 · 02:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

4
suse-csafSUSE-SU-2016:1311-1
rhsaRHSA-2016:2583Low
rhsaRHSA-2016:0780Moderate
usnUSN-2783-1
🔗

References & Sources

20
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=4c4fc141LwvcoGp-lLGhkAFp3ZvtrAIssue TrackingPatchVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.htmlThird Party Advisory
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