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GLSA
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Joined: 12 May 2004
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PostPosted: Thu Jun 06, 2019 6:26 pm    Post subject: [ GLSA 201906-01 ] Exim Reply with quote

Gentoo Linux Security Advisory

Title: Exim: Remote command execution (GLSA 201906-01)
Severity: high
Exploitable: remote
Date: 2019-06-06
Bug(s): #687336
ID: 201906-01

Synopsis

A vulnerability in Exim could allow a remote attacker to execute
arbitrary commands.


Background

Exim is a message transfer agent (MTA) designed to be a a highly
configurable, drop-in replacement for sendmail.


Affected Packages

Package: mail-mta/exim
Vulnerable: < 4.92
Unaffected: >= 4.92
Architectures: All supported architectures


Description

A vulnerability was discovered in how Exim validates recipient addresses
in the deliver_message() function.


Impact

A remote attacker could execute arbitrary commands by sending an email
with a specially crafted recipient address to the affected system.


Workaround

There is no known workaround at this time.

Resolution

All Exim users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=mail-mta/exim-4.92"
   


References

CVE-2019-10149
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