Amazon Linux 2 Security Advisory: ALAS-2018-1132
Advisory Release Date: 2018-12-17 19:14 Pacific
Advisory Updated Date: 2018-12-19 17:43 Pacific
Severity:
Medium
Issue Overview:
Python's elementtree C accelerator failed to initialise Expat's hash salt during initialization. This could make it easy to conduct denial of service attacks against Expat by contructing an XML document that would cause pathological hash collisions in Expat's internal data structures, consuming large amounts CPU and RAM.(CVE-2018-14647)
Affected Packages:
python3
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 python3 to update your system.
New Packages:
aarch64:
python3-3.7.1-9.amzn2.0.1.aarch64
python3-libs-3.7.1-9.amzn2.0.1.aarch64
python3-devel-3.7.1-9.amzn2.0.1.aarch64
python3-tools-3.7.1-9.amzn2.0.1.aarch64
python3-tkinter-3.7.1-9.amzn2.0.1.aarch64
python3-test-3.7.1-9.amzn2.0.1.aarch64
python3-debug-3.7.1-9.amzn2.0.1.aarch64
python3-debuginfo-3.7.1-9.amzn2.0.1.aarch64
i686:
python3-3.7.1-9.amzn2.0.1.i686
python3-libs-3.7.1-9.amzn2.0.1.i686
python3-devel-3.7.1-9.amzn2.0.1.i686
python3-tools-3.7.1-9.amzn2.0.1.i686
python3-tkinter-3.7.1-9.amzn2.0.1.i686
python3-test-3.7.1-9.amzn2.0.1.i686
python3-debug-3.7.1-9.amzn2.0.1.i686
python3-debuginfo-3.7.1-9.amzn2.0.1.i686
src:
python3-3.7.1-9.amzn2.0.1.src
x86_64:
python3-3.7.1-9.amzn2.0.1.x86_64
python3-libs-3.7.1-9.amzn2.0.1.x86_64
python3-devel-3.7.1-9.amzn2.0.1.x86_64
python3-tools-3.7.1-9.amzn2.0.1.x86_64
python3-tkinter-3.7.1-9.amzn2.0.1.x86_64
python3-test-3.7.1-9.amzn2.0.1.x86_64
python3-debug-3.7.1-9.amzn2.0.1.x86_64
python3-debuginfo-3.7.1-9.amzn2.0.1.x86_64