7.5
CVSSv3

CVE-2016-7434

CVSSv4: NA | CVSSv3: 7.5 | CVSSv2: 4.3 | VMScore: 850 | EPSS: 0.71728 | KEV: Not Included
Published: 13/01/2017 Updated: 21/11/2024

Vulnerability Summary

The read_mru_list function in NTP prior to 4.2.8p9 allows remote malicious users to cause a denial of service (crash) via a crafted mrulist query.

Vulnerability Trend

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ntp ntp

ntp ntp 4.2.7

ntp ntp 4.2.8

hpe hpux-ntp

Vendor Advisories

Several security issues were fixed in NTP ...
The read_mru_list function in NTP before 428p9 allows remote attackers to cause a denial of service (crash) via a crafted mrulist query ...
If ntpd is configured to allow mrulist query requests from a server that sends a crafted malicious packet, ntpd will crash on receipt of that crafted malicious mrulist query packet ...

Exploits

ntpd versions 427p22 up to but not including 428p9 and 430 up to, but not including 4394 suffer from a remote denial of service vulnerability The vulnerability allow unauthenticated users to crash ntpd with a single malformed UDP packet, which cause a null pointer dereference ...
#!/usr/bin/env python # Exploit Title: ntpd remote pre-auth Denial of Service # Date: 2016-11-21 # Exploit Author: Magnus Klaaborg Stubman (@magnusstubman) # Website: dumpcore/cve-2016-7434/ # Vendor Homepage: wwwntporg/ # Software Link: wwweecisudeledu/~ntp/ntp_spool/ntp4/ntp-42/ntp-428p8targz # Version: ntp-427 ...

Github Repositories

NTPD remote DOS exploit and vulnerable container

CVE-2016-7434 ntpd DOS exploit Ntpd suffer from a null pointer reference which is possible to trigger to crash the application According to NTPorg, "If ntpd is configured to allow mrulist query requests from a server that sends a crafted malicious packet, ntpd will crash on receipt of that crafted malicious mrulist query packet" The ntpd program is an operating-sy

cve-2016-7434

CVE-2016-7434 This is part of Cved: a tool to manage vulnerable docker containers Cved: githubcom/git-rep-src/cved Image source: githubcom/cved-sources/cve-2016-7434 Image author: githubcom/opsxcq/exploit-CVE-2016-7434

CVE-2016-7434 CVE-2016-7434 ntpd remote pre-auth Denial of Service PoC's/info Sources: dumpcore/cve-2016-7434/ wwwexploit-dbcom/exploits/40806/ root@nop:~/code/CVE-2016-7434# echo -e "\x16\x0a\x00\x10\x00\x00\x00\x00\x00\x00\x00\x36\x6e\x6f\x6e\x63\x65\x2c\x20\x6c\x61\x64\x64\x72\x3d\x5b\x5d\x3a\x48\x72\x61\x67\x73\x3d\x33\x32\x2c\x20\x6c\x61\x64\x