CVE-2015-8158 — Improper Restriction of Operations within the Bounds of a Memory Buffer in NTP

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-20 — Improper Input ValidationCWE-200 — Sensitive Information ExposureCWE-287 — Improper AuthenticationCWE-399CWE-835 — Infinite LoopCWE-400 — Uncontrolled Resource ConsumptionCWE-770 — Allocation of Resources Without Limits or Throttling15 documents11 sources
Severity
5.9MEDIUMNVD
OSV6.5
EPSS
8.1%
top 7.83%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
NTPPaloalto Pan-os
Timeline
PublishedJan 30
Latest updateMay 14

Description

The getresponse function in ntpq in NTP versions before 4.2.8p9 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (infinite loop) via crafted packets with incorrect values.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages4 packages

▶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

4
GHSA
GHSA-v47v-wc4h-2jgc: The getresponse function in ntpq in NTP versions before 4↗2022-05-14
▶
CVEList
CVE-2015-8158: The getresponse function in ntpq in NTP versions before 4↗2017-01-30
▶
OSV
CVE-2015-8158: The getresponse function in ntpq in NTP versions before 4↗2017-01-30
▶
OSV
ntp vulnerabilities↗2016-10-05
▶

📋Vendor Advisories

7
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: potential infinite loop in ntpq↗2016-01-20
▶

💬Community

2
Bugzilla
CVE-2015-8158 ntp: potential infinite loop in ntpq↗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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CVE-2015-8158 — NTP vulnerability | cvebase