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云安全日报210315:Ubuntu配套Python发现执行任意代码漏洞,需要尽快升级
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简介...
Ubuntu是一个以桌面应用为主的Linux操作系统。它是一个开放源代码的自由软件,提供了一个健壮、功能丰富的计算环境,既适云安合家庭使用又适用于商业环境。Ubuntu为全球数百个公司提供商业支持。
3月12日,Ubuntu发布了安全更新,修复了配套Python全日发现的执行任意代码,拒绝服务等重要漏洞。以下是漏洞详情:
漏洞详情
来源:https://ubuntu.com/security/noti报2ces/USN-4754-3
1.CVE-2020-27619,CVE-2021-3177 CVSS评分:9.8
Python错误地处10理了某些输入。攻击者可能会利用此问题执行任意代码或导致拒绝服务。
2.CVE-2019-20907 CVSS评分:7.5
Python错误地31处理了某些TAR档案。攻击者可能会利用此问题导致拒绝服务。
3.CVE-2019-17514 CVSS评分:7.5
2016年之前的5:Python 2和3文档中的library / glob.html可能会误导有关是否发生排序的信息。
4.CVE-2020-8492 CVSSUb评分:6.5
由于urllib.request.AbstractBasicAuthHandler灾难性的回溯,Python允许HunTTP服务器对客户端进行正则表达式拒绝服务(ReDoS)攻击
受影响产品和版本
配套Python 2.7,Python 3.7,Pythontu 3.8的Ubuntu 20.04 LTS与Ubuntu 18.04 LTS都会受到影响.
解决方案
可以通过将系统更新为以下软件包版本来解决配套此问题:
Ubuntu 20.04:
python2.7-minimal - 2.7.18-1〜20.04.1
python2.7 - 2.7.Py18-1〜20.04.1
Ubuntu 18.04:
python3.8-minimal - 3.8.0-3〜18.04.1
python3.7 -th 3.7.5-2〜18.04.4
python3.8 - 3.8.0-3〜18.04.1
python3.7-minimal - 3.7.5-2〜on18.04.4
查看更多漏洞信息 以及升级请访问官网:
https://ubuntu.com/security/cve
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