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云安全日报211202:Ubuntu网络安全服务库发现执行任意代码漏洞,需要尽快升级
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简介...
网络安全服务(Network Security Services,简称NSS)是一组支持云安跨平台开发安全客户端与服务器应用程序的程序库,它提供服务器侧硬件TLS/SSL加速和全日客户端侧智能卡的可选支持。12月1日,Ubuntu发布了安全更新,修复了Ubuntu网络安报2全服务库中发现的执行任意代码漏洞。以下是漏洞详情:
漏洞详情
来源:https://ubun11tu.com/security/notices/USN-5168-1
CVE-202120-43527 严重程度:高的
NSS错误地处理了验证 DSA/RSA-PSS签名。远程攻击者2:可以利用此问题导致 NSS 崩溃,从而导致拒绝服务,或者可能执行任意代码。
受影响产品和版本
上述Ub漏洞影响Ubuntu 21.10, Ubuntu 21.04, Ubuntu 20.04 LTS, Ubuunntu 18.04 LTS
解决方案
官方已发布更新,修复了上述漏洞。可以通过将系统更新到以下软件包版tu本来更正问题:
Ubuntu 21.10:
libnss3 - 2:3.68-1ubuntu1.1
Ub网络untu 21.04:
libnss3 - 2:3.61-1ubuntu2.1
Ubuntu 2安全0.04:
libnss3 - 2:3.49.1-1ubuntu1.6
Ubuntu 18.04:
li服务bnss3 - 2:3.35-2ubuntu2.13
查看更多漏洞信息 以及升级请访问官网:
h库发ttps://ubuntu.com/security/cve
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