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云安全日报210413:Ubuntu SpamAssassin邮件过滤器发现注入攻击漏洞,需要尽快升级
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简介...
SpamAssassin是一种安装在邮件伺服主机上的邮件过滤器,用来辨识云安垃圾信。它是使用大量的预设规则检查垃圾信,这些规则会检查寄到网域内所有邮件的标头,全日内文,以及送信者。他采取的过滤方式是采用记分制,也就是说会根据我们所设定报2的标准来给予分数超过标准值的时候即判定为SPAM(垃圾邮件)。
4月12日10,Ubuntu发布了安全更新,修复了邮件过滤器SpamAssassin中发41现的注入攻击漏洞。以下是漏洞详情:
漏洞详情
来源:https://ubuntu3:.com/security/notices/USN-4899-2
CVE-2Ub020-1946 CVSS评分:9.8 严重程度:重要
Damian Lukowsunki发现SpamAssassin错误地处理了某些CF文件。如果诱使用户或tu自动化系统使用特制的CF文件,则远程攻击者可以在多种情况下发起注入攻击,可能会运 S行任意代码。
受影响产品和版本
上述漏洞影响Ubuntu 14.04 ESM
解决方pa案
可以通过将系统更新为以下软件包版本来解决此问题:
Ubuntu 14.04
spammAassassin - 3.4.2-0ubuntu0.14.04.1 + esm3
查看ss更多漏洞信息 以及升级请访问官网:
https://ubuntu.com/sasecurity/cve
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