RHEL 8：python38: 3.8 (RHSA-2020: 4641)
critical Nessus 插件 ID 142431
语言：
简介
远程 Red Hat 主机缺少一个或多个安全更新。描述
远程 Redhat Enterprise Linux 8 主机上安装的程序包受到 RHSA-2020: 4641 公告中提及的多个漏洞的影响。- PyYAML：通过 FullLoader 中的 python/object/apply 构造函数执行命令 (CVE-2019-20477)
- python：通过构建的 TAR 存档在 tarfile 模块中造成无限循环 (CVE-2019-20907)
- python：因 IPv{4,6}Interface 类中低效导致的 DoS (CVE-2020-14422)
- PyYAML：使用 FullLoader 时通过 python/object/new 执行任意命令 (CVE-2020-1747)
- python：urllib.request.AbstractBasicAuthHandler 中存在错误回溯，可导致 ReDoS (CVE-2020-8492)
请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。
解决方案
更新受影响的程序包。另见
http://www.nessus.org/u?b7e37d18
http://www.nessus.org/u?f271434b
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/errata/RHSA-2020:4641
https://bugzilla.redhat.com/show_bug.cgi?id=1806005
https://bugzilla.redhat.com/show_bug.cgi?id=1807367
https://bugzilla.redhat.com/show_bug.cgi?id=1809065
https://bugzilla.redhat.com/show_bug.cgi?id=1815643
https://bugzilla.redhat.com/show_bug.cgi?id=1847416
插件详情
严重性: Critical
ID: 142431
文件名: redhat-RHSA-2020-4641.nasl
版本: 1.12
类型: local
代理: unix
发布时间: 2020/11/4
最近更新时间: 2024/4/28
支持的传感器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
风险信息
VPR
风险因素: Medium
分数: 6.7
CVSS v2
风险因素: Critical
基本分数: 10
时间分数: 7.8
矢量: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS 分数来源: CVE-2020-1747
CVSS v3
风险因素: Critical
基本分数: 9.8
时间分数: 8.8
矢量: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
时间矢量: CVSS:3.0/E:P/RL:O/RC:C
漏洞信息
CPE: p-cpe:/a:redhat:enterprise_linux:python38-pip-wheel, p-cpe:/a:redhat:enterprise_linux:python38-ply, p-cpe:/a:redhat:enterprise_linux:python38-psutil, p-cpe:/a:redhat:enterprise_linux:python38-psycopg2, p-cpe:/a:redhat:enterprise_linux:python38-psycopg2-doc, p-cpe:/a:redhat:enterprise_linux:python38-psycopg2-tests, p-cpe:/a:redhat:enterprise_linux:python38-pycparser, p-cpe:/a:redhat:enterprise_linux:python38-pysocks, p-cpe:/a:redhat:enterprise_linux:python38-pytz, p-cpe:/a:redhat:enterprise_linux:python38-pyyaml, p-cpe:/a:redhat:enterprise_linux:python38-requests, p-cpe:/a:redhat:enterprise_linux:python38-rpm-macros, p-cpe:/a:redhat:enterprise_linux:python38-scipy, p-cpe:/a:redhat:enterprise_linux:python38-setuptools, p-cpe:/a:redhat:enterprise_linux:python38-setuptools-wheel, p-cpe:/a:redhat:enterprise_linux:python38-six, p-cpe:/a:redhat:enterprise_linux:python38-test, p-cpe:/a:redhat:enterprise_linux:python38-tkinter, p-cpe:/a:redhat:enterprise_linux:python38-urllib3, p-cpe:/a:redhat:enterprise_linux:python38-wheel, p-cpe:/a:redhat:enterprise_linux:python38-wheel-wheel, p-cpe:/a:redhat:enterprise_linux:python3x-pip, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:cython, p-cpe:/a:redhat:enterprise_linux:pyyaml, p-cpe:/a:redhat:enterprise_linux:babel, p-cpe:/a:redhat:enterprise_linux:mod_wsgi, p-cpe:/a:redhat:enterprise_linux:numpy, p-cpe:/a:redhat:enterprise_linux:python-pymysql, p-cpe:/a:redhat:enterprise_linux:python-asn1crypto, p-cpe:/a:redhat:enterprise_linux:python-cffi, p-cpe:/a:redhat:enterprise_linux:python-chardet, p-cpe:/a:redhat:enterprise_linux:python-cryptography, p-cpe:/a:redhat:enterprise_linux:python-idna, p-cpe:/a:redhat:enterprise_linux:python-jinja2, p-cpe:/a:redhat:enterprise_linux:python-lxml, p-cpe:/a:redhat:enterprise_linux:python-markupsafe, p-cpe:/a:redhat:enterprise_linux:python-ply, p-cpe:/a:redhat:enterprise_linux:python-psutil, p-cpe:/a:redhat:enterprise_linux:python-psycopg2, p-cpe:/a:redhat:enterprise_linux:python-pycparser, p-cpe:/a:redhat:enterprise_linux:python-pysocks, p-cpe:/a:redhat:enterprise_linux:python-requests, p-cpe:/a:redhat:enterprise_linux:python-six, p-cpe:/a:redhat:enterprise_linux:python-urllib3, p-cpe:/a:redhat:enterprise_linux:python-wheel, p-cpe:/a:redhat:enterprise_linux:python38, p-cpe:/a:redhat:enterprise_linux:python38-cython, p-cpe:/a:redhat:enterprise_linux:python38-pymysql, p-cpe:/a:redhat:enterprise_linux:python38-asn1crypto, p-cpe:/a:redhat:enterprise_linux:python38-babel, p-cpe:/a:redhat:enterprise_linux:python38-cffi, p-cpe:/a:redhat:enterprise_linux:python38-chardet, p-cpe:/a:redhat:enterprise_linux:python38-cryptography, p-cpe:/a:redhat:enterprise_linux:python38-debug, p-cpe:/a:redhat:enterprise_linux:python38-devel, p-cpe:/a:redhat:enterprise_linux:python38-idle, p-cpe:/a:redhat:enterprise_linux:python38-idna, p-cpe:/a:redhat:enterprise_linux:python38-jinja2, p-cpe:/a:redhat:enterprise_linux:python38-libs, p-cpe:/a:redhat:enterprise_linux:python38-lxml, p-cpe:/a:redhat:enterprise_linux:python38-markupsafe, p-cpe:/a:redhat:enterprise_linux:python38-mod_wsgi, p-cpe:/a:redhat:enterprise_linux:python38-numpy, p-cpe:/a:redhat:enterprise_linux:python38-numpy-doc, p-cpe:/a:redhat:enterprise_linux:python38-numpy-f2py, p-cpe:/a:redhat:enterprise_linux:python38-pip, p-cpe:/a:redhat:enterprise_linux:python3x-setuptools, p-cpe:/a:redhat:enterprise_linux:pytz, p-cpe:/a:redhat:enterprise_linux:scipy
必需的 KB 项: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
可利用: true
易利用性: Exploits are available
补丁发布日期: 2020/11/4
漏洞发布日期: 2020/1/30
参考资料信息
CVE: CVE-2019-20477, CVE-2019-20907, CVE-2020-14422, CVE-2020-1747, CVE-2020-8492