RHEL 8：python38：3.8 和 python38-devel: 3.8 (RHSA-2021: 4162)
critical Nessus 插件 ID 155193
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-2021: 4162 公告中提及的多个漏洞影响。- python-psutil：引用计数处理不当导致双重释放 (CVE-2019-18874)
- python：在测试套件中对通过 HTTP 检索的数据以不安全的方式使用 eval() (CVE-2020-27619)
- python-jinja2：urlize 过滤器中的 ReDoS 漏洞 (CVE-2020-28493)
- python：通过在查询参数中使用分号，经由 urllib.parse.parse_qsl 和 urllib.parse.parse_qs 造成 Web 缓存中毒 (CVE-2021-23336)
- python-lxml：缺少对 formaction HTML5 属性的输入审查可能导致 XSS (CVE-2021-28957)
- python-ipaddress：八进制字符串的输入验证不当 (CVE-2021-29921)
- python-urllib3: 解析 URL 授权部分时出现 ReDoS (CVE-2021-33503)
- python：pydoc 造成的信息泄露 (CVE-2021-3426)
- python-pip：未正确处理 git 引用中的 unicode 分隔符 (CVE-2021-3572)
- python-babel：相对路径遍历漏洞允许攻击者加载任意区域设置文件并执行任意代码 (CVE-2021-42771)
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
https://access.redhat.com/security/cve/CVE-2019-18874
https://access.redhat.com/security/cve/CVE-2020-27619
https://access.redhat.com/security/cve/CVE-2020-28493
https://access.redhat.com/security/cve/CVE-2021-3426
https://access.redhat.com/security/cve/CVE-2021-3572
https://access.redhat.com/security/cve/CVE-2021-23336
https://access.redhat.com/security/cve/CVE-2021-28957
https://access.redhat.com/security/cve/CVE-2021-29921
https://access.redhat.com/security/cve/CVE-2021-33503
https://access.redhat.com/security/cve/CVE-2021-42771
https://access.redhat.com/errata/RHSA-2021:4162
https://bugzilla.redhat.com/1772014
https://bugzilla.redhat.com/1889886
https://bugzilla.redhat.com/1928707
https://bugzilla.redhat.com/1928904
https://bugzilla.redhat.com/1935913
https://bugzilla.redhat.com/1941534
https://bugzilla.redhat.com/1955615
https://bugzilla.redhat.com/1957458
插件详情
严重性: Critical
ID: 155193
文件名: redhat-RHSA-2021-4162.nasl
版本: 1.9
类型: local
代理: unix
发布时间: 2021/11/11
最近更新时间: 2024/1/16
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: High
基本分数: 7.5
时间分数: 6.2
矢量: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS 分数来源: CVE-2021-29921
CVSS v3
风险因素: Critical
基本分数: 9.8
时间分数: 9.1
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:F/RL:O/RC:C
漏洞信息
CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.6, 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-atomicwrites, p-cpe:/a:redhat:enterprise_linux:python38-attrs, 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-more-itertools, 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-packaging, p-cpe:/a:redhat:enterprise_linux:python38-pip, p-cpe:/a:redhat:enterprise_linux:python38-pip-wheel, p-cpe:/a:redhat:enterprise_linux:python38-pluggy, 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-py, p-cpe:/a:redhat:enterprise_linux:python38-pycparser, p-cpe:/a:redhat:enterprise_linux:python38-pyparsing, p-cpe:/a:redhat:enterprise_linux:python38-pysocks, p-cpe:/a:redhat:enterprise_linux:python38-pytest, 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-wcwidth, p-cpe:/a:redhat:enterprise_linux:python38-wheel, p-cpe:/a:redhat:enterprise_linux:python38-wheel-wheel
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: 2021/11/9
漏洞发布日期: 2019/11/12
参考资料信息
CVE: CVE-2019-18874, CVE-2020-27619, CVE-2020-28493, CVE-2021-23336, CVE-2021-28957, CVE-2021-29921, CVE-2021-33503, CVE-2021-3426, CVE-2021-3572, CVE-2021-42771