CVE-2018-12327 - log back

CVE-2018-12327 created at 25 Sep 2019 19:31:40
Severity
+ Medium
Remote
+ Local
Type
+ Arbitrary code execution
Description
+ Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or escalate to higher privileges via a long string as the argument for an IPv4 or IPv6 command-line parameter.
References
+ https://gist.github.com/fakhrizulkifli/9b58ed8e0354e8deee50b0eebd1c011f
+ http://bk.ntp.org/ntp-stable/?PAGE=patch&REV=5b3ba863G-42Ac2TFzCy-PZ8vqNfVA
Notes
+ NOTE: It is unclear whether there are any common situations in which ntpq or ntpdc is used with a command line from an untrusted source.
+
+ Reproducer:
+ /usr/bin/ntpdc -4 \[`python2 -c 'print "A" * 300'`\]
+
+ Note that ntpdc aborts due to stack smashing being detected.