CVE-2015-7977
MEDIUM
5.9
CVSS Score
Published: January 30, 2017 at 09:00 PM UTC
Updated: June 17, 2026 at 12:33 AM UTC
12 products affected across 8 vendorsDebian LinuxFedoraUbuntu Linux
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Severity
MEDIUM5.9
Exploit prediction
EPSS 6%
Description
ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntpdc reslist command.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%10.110.1 p110.1 p1010.1 p1210.1 p1510.1 p1610.1 p1710.1 p1810.1 p1910.1 p210.1 p2210.1 p2410.1 p2510.1 p2610.1 p2710.1 p310.1 p410.1 p510.1 p610.1 p710.1 p810.1 p910.210.2 p110.2 p1010.2 p210.2 p510.2 p710.2 p810.2 p99.39.3 p19.3 p109.3 p129.3 p139.3 p169.3 p199.3 p29.3 p209.3 p219.3 p229.3 p239.3 p249.3 p259.3 p289.3 p39.3 p309.3 p319.3 p329.3 p339.3 p349.3 p59.3 p69.3 p79.3 p89.3 p9
All versions
All versions
v ≤ 4.2.84.3.0 ≤ v < 4.3.904.2.84.2.8 p14.2.8 p1-beta14.2.8 p1-beta24.2.8 p1-beta34.2.8 p1-beta44.2.8 p1-beta54.2.8 p1-rc14.2.8 p1-rc24.2.8 p24.2.8 p2-rc14.2.8 p2-rc24.2.8 p2-rc34.2.8 p34.2.8 p3-rc14.2.8 p3-rc24.2.8 p3-rc34.2.8 p44.2.8 p5
Affected range stops below 4.3.90, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
References (27)
Vendor Advisoryx_refsource_FEDORAThird Party Advisory
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.htmlVendor Advisoryx_refsource_FEDORAThird Party Advisory
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.htmlVendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.htmlVendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.htmlVendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.htmlVendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.htmlVendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.htmlVendor Advisoryx_refsource_SUSEThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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