Re: [exim] CVE-2019-15846: Exim - local or remote attacker c…

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著者: Cyborg
日付:  
To: exim-users
題目: Re: [exim] CVE-2019-15846: Exim - local or remote attacker can execute programs with root privileges.
Am 06.09.19 um 13:14 schrieb Heiko Schlittermann via Exim-users:
> An Update to the mitigation for the current CVE:
>
> Add - as part of the mail ACL (the ACL referenced by the main config
> option "acl_smtp_mail"):
>
>      deny    condition = ${if eq{\\}{${substr{-1}{1}{$tls_in_sni}}}}
>      deny    condition = ${if eq{\\}{${substr{-1}{1}{$tls_in_peerdn}}}}

>
> This should prevent the currently known attack vector.
>


If anyone wondered, why Fedora did not have updates ready, someone was
on vacation ;)

I just got word from Fedora, the exim update is now "urgent" :D

Best regards,
Marius