Amazon Linux 2 Security Advisory: ALAS-2019-1367
Advisory Release Date: 2019-11-19 17:52 Pacific
Advisory Updated Date: 2019-11-22 20:54 Pacific
Severity:
Low
Issue Overview:
The ntpq and ntpdc command-line utilities that are part of ntp package are vulnerable to stack-based buffer overflow via crafted hostname. Applications using these vulnerable utilities with an untrusted input may be potentially exploited, resulting in a crash or arbitrary code execution under privileges of that application.(CVE-2018-12327)
Affected Packages:
ntp
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update ntp to update your system.
New Packages:
aarch64:
ntp-4.2.6p5-29.amzn2.0.1.aarch64
ntpdate-4.2.6p5-29.amzn2.0.1.aarch64
sntp-4.2.6p5-29.amzn2.0.1.aarch64
ntp-debuginfo-4.2.6p5-29.amzn2.0.1.aarch64
i686:
ntp-4.2.6p5-29.amzn2.0.1.i686
ntpdate-4.2.6p5-29.amzn2.0.1.i686
sntp-4.2.6p5-29.amzn2.0.1.i686
ntp-debuginfo-4.2.6p5-29.amzn2.0.1.i686
noarch:
ntp-perl-4.2.6p5-29.amzn2.0.1.noarch
ntp-doc-4.2.6p5-29.amzn2.0.1.noarch
src:
ntp-4.2.6p5-29.amzn2.0.1.src
x86_64:
ntp-4.2.6p5-29.amzn2.0.1.x86_64
ntpdate-4.2.6p5-29.amzn2.0.1.x86_64
sntp-4.2.6p5-29.amzn2.0.1.x86_64
ntp-debuginfo-4.2.6p5-29.amzn2.0.1.x86_64