CVE-2015-7849 — Use After Free in NTP

CWE-416 — Use After FreeCWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-20 — Improper Input ValidationCWE-22 — Path TraversalCWE-264CWE-287 — Improper AuthenticationCWE-39928 documents11 sources
Severity
8.8HIGHNVD
EPSS
3.9%
top 11.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
NTPDebian NTPCisco Products October 2015
Timeline
PublishedAug 7
Latest updateMay 13

Description

Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages4 packages

▶NVDntp/ntp4.2.0 — 4.2.8+2
▶debiandebian/ntp< ntp 1:4.2.8p4+dfsg-1 (bullseye)
▶Debianntp/ntp< 1:4.2.8p4+dfsg-1

Patches

Patch: support.ntp.org ↗Patch: support.ntp.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-47fj-2qv7-3xvh: Use-after-free vulnerability in ntpd in NTP 4↗2022-05-13
▶
OSV
CVE-2015-7849: Use-after-free vulnerability in ntpd in NTP 4↗2017-08-07
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💥Exploits & PoCs

1
Exploit-DB
Wireshark - dissect_zcl_pwr_prof_pwrprofstatersp Static Out-of-Bounds Read↗2015-12-16
▶

📋Vendor Advisories

21
CISA ICS
Rockwell Automation Stratix 5900↗2017-05-10
▶
BSD
FreeBSD-SA-15:25.ntp: Multiple vulnerabilities of ntp [REVISED]↗2015-10-26
▶
Cisco
Multiple Vulnerabilities in ntpd Affecting Cisco Products - October 2015↗2015-10-22
▶
Red Hat
ntp: trusted keys memory corruption vulnerability↗2015-10-21
▶
Debian
CVE-2015-7849: ntp - Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x befo...↗2015
▶

🕵️Threat Intelligence

2
Talos
Cisco Identifies Multiple Vulnerabilities in Network Time Protocol daemon (ntpd)↗2015-10-21
▶
Talos
Cisco Identifies Multiple Vulnerabilities in Network Time Protocol daemon (ntpd)↗2015-10-21
▶

💬Community

1
Bugzilla
CVE-2015-7849 ntp: trusted keys memory corruption vulnerability↗2015-10-22
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