CVE-2015-7978 — Uncontrolled Resource Consumption in NTP

CWE-400 — Uncontrolled Resource ConsumptionCWE-121 — Stack-based Buffer OverflowCWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-20 — Improper Input ValidationCWE-200 — Sensitive Information ExposureCWE-287 — Improper AuthenticationCWE-39924 documents10 sources
Severity
7.5HIGHNVD
OSV6.5
EPSS
42.5%
top 2.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
NTPDebian NTPPaloalto Pan-os
Timeline
PublishedJan 30
Latest updateMay 14

Description

NTP before 4.2.8p6 and 4.3.0 before 4.3.90 allows a remote attackers to cause a denial of service (stack exhaustion) via an ntpdc relist command, which triggers recursive traversal of the restriction list.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

▶debiandebian/ntp< ntp 1:4.2.8p7+dfsg-1 (bullseye)
▶Debianntp/ntp< 1:4.2.8p7+dfsg-1
▶Ubuntuntp/ntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10+1
▶NVDntp/ntp4.2.8+89
▶Palo Altopaloalto/pan-os

🔴Vulnerability Details

3
GHSA
GHSA-jj32-297r-pcv8: NTP before 4↗2022-05-14
▶
OSV
CVE-2015-7978: NTP before 4↗2017-01-30
▶
OSV
ntp vulnerabilities↗2016-10-05
▶

📋Vendor Advisories

17
Ubuntu
NTP vulnerabilities↗2016-10-05
▶
Palo Alto
PAN-SA-2016-0019 NTP Vulnerabilities↗2016-08-15
▶
Cisco
Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: January 2016↗2016-01-28
▶
BSD
FreeBSD-SA-16:09.ntp: Multiple vulnerabilities of ntp↗2016-01-27
▶
Red Hat
ntp: stack exhaustion in recursive traversal of restriction list↗2016-01-20
▶

💬Community

3
Bugzilla
CVE-2015-7978 ntp: stack exhaustion in recursive traversal of restriction list↗2016-01-20
▶
Bugzilla
CVE-2015-7977 ntp: restriction list NULL pointer dereference↗2016-01-20
▶
Bugzilla
CVE-2015-7974 CVE-2015-8138 CVE-2015-7973 CVE-2015-7975 CVE-2015-7976 CVE-2015-7977 CVE-2015-7978 CVE-2015-7979 CVE-2015-8158 CVE-2015-8139 CVE-2015-8140 ntp: various flaws [fedora-all]↗2016-01-20
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