6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.003 Low
EPSS
Percentile
64.4%
Issue Overview:
Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking. (CVE-2020-8492)
Affected Packages:
python, python3
Issue Correction:
Run yum update python to update your system.
Run yum update python3 to update your system.
New Packages:
aarch64:
python-2.7.18-1.amzn2.0.1.aarch64
python-libs-2.7.18-1.amzn2.0.1.aarch64
python-devel-2.7.18-1.amzn2.0.1.aarch64
python-tools-2.7.18-1.amzn2.0.1.aarch64
tkinter-2.7.18-1.amzn2.0.1.aarch64
python-test-2.7.18-1.amzn2.0.1.aarch64
python-debug-2.7.18-1.amzn2.0.1.aarch64
python-debuginfo-2.7.18-1.amzn2.0.1.aarch64
python3-3.7.8-1.amzn2.0.1.aarch64
python3-libs-3.7.8-1.amzn2.0.1.aarch64
python3-devel-3.7.8-1.amzn2.0.1.aarch64
python3-tools-3.7.8-1.amzn2.0.1.aarch64
python3-tkinter-3.7.8-1.amzn2.0.1.aarch64
python3-test-3.7.8-1.amzn2.0.1.aarch64
python3-debug-3.7.8-1.amzn2.0.1.aarch64
python3-debuginfo-3.7.8-1.amzn2.0.1.aarch64
i686:
python-2.7.18-1.amzn2.0.1.i686
python-libs-2.7.18-1.amzn2.0.1.i686
python-devel-2.7.18-1.amzn2.0.1.i686
python-tools-2.7.18-1.amzn2.0.1.i686
tkinter-2.7.18-1.amzn2.0.1.i686
python-test-2.7.18-1.amzn2.0.1.i686
python-debug-2.7.18-1.amzn2.0.1.i686
python-debuginfo-2.7.18-1.amzn2.0.1.i686
python3-3.7.8-1.amzn2.0.1.i686
python3-libs-3.7.8-1.amzn2.0.1.i686
python3-devel-3.7.8-1.amzn2.0.1.i686
python3-tools-3.7.8-1.amzn2.0.1.i686
python3-tkinter-3.7.8-1.amzn2.0.1.i686
python3-test-3.7.8-1.amzn2.0.1.i686
python3-debug-3.7.8-1.amzn2.0.1.i686
python3-debuginfo-3.7.8-1.amzn2.0.1.i686
src:
python-2.7.18-1.amzn2.0.1.src
python3-3.7.8-1.amzn2.0.1.src
x86_64:
python-2.7.18-1.amzn2.0.1.x86_64
python-libs-2.7.18-1.amzn2.0.1.x86_64
python-devel-2.7.18-1.amzn2.0.1.x86_64
python-tools-2.7.18-1.amzn2.0.1.x86_64
tkinter-2.7.18-1.amzn2.0.1.x86_64
python-test-2.7.18-1.amzn2.0.1.x86_64
python-debug-2.7.18-1.amzn2.0.1.x86_64
python-debuginfo-2.7.18-1.amzn2.0.1.x86_64
python3-3.7.8-1.amzn2.0.1.x86_64
python3-libs-3.7.8-1.amzn2.0.1.x86_64
python3-devel-3.7.8-1.amzn2.0.1.x86_64
python3-tools-3.7.8-1.amzn2.0.1.x86_64
python3-tkinter-3.7.8-1.amzn2.0.1.x86_64
python3-test-3.7.8-1.amzn2.0.1.x86_64
python3-debug-3.7.8-1.amzn2.0.1.x86_64
python3-debuginfo-3.7.8-1.amzn2.0.1.x86_64
Red Hat: CVE-2020-8492
Mitre: CVE-2020-8492
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | python | < 2.7.18-1.amzn2.0.1 | python-2.7.18-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | python-libs | < 2.7.18-1.amzn2.0.1 | python-libs-2.7.18-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | python-devel | < 2.7.18-1.amzn2.0.1 | python-devel-2.7.18-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | python-tools | < 2.7.18-1.amzn2.0.1 | python-tools-2.7.18-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | tkinter | < 2.7.18-1.amzn2.0.1 | tkinter-2.7.18-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | python-test | < 2.7.18-1.amzn2.0.1 | python-test-2.7.18-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | python-debug | < 2.7.18-1.amzn2.0.1 | python-debug-2.7.18-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | python-debuginfo | < 2.7.18-1.amzn2.0.1 | python-debuginfo-2.7.18-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | python3 | < 3.7.8-1.amzn2.0.1 | python3-3.7.8-1.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | python3-libs | < 3.7.8-1.amzn2.0.1 | python3-libs-3.7.8-1.amzn2.0.1.aarch64.rpm |
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.003 Low
EPSS
Percentile
64.4%