CVE-2015-7704

HIGH
7.5
CVSS Score
Published: August 7, 2017 at 08:00 PM UTC
Updated: June 17, 2026 at 12:32 AM UTC
14 products affected across 6 vendorsDebian LinuxEnterprise Linux DesktopEnterprise Linux Server

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Severity
HIGH7.5
Exploit prediction
EPSS 11%

Description

The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service via a number of crafted "KOD" messages.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 10.4.011.0.0 ≤ v < 11.2.0
Affected range stops below 10.4.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.2.0, so it looks safe — our inference, not a vendor statement
All versions
Affected range stops below 4.2.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.3.77, so it looks safe — our inference, not a vendor statement

References (20)

x_refsource_CONFIRMIssue TrackingVendor Advisory
http://bugs.ntp.org/show_bug.cgi?id=2901
Vendor Advisoryx_refsource_REDHATThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1930.html
Vendor Advisoryx_refsource_REDHATThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2520.html
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
http://www.debian.org/security/2015/dsa-3388
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/77280

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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