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Joined: 12 May 2004
Posts: 2308

PostPosted: Fri Mar 20, 2020 7:26 pm    Post subject: [ GLSA 202003-47 ] Exim Reply with quote

Gentoo Linux Security Advisory

Title: Exim: Heap-based buffer overflow (GLSA 202003-47)
Severity: high
Exploitable: remote
Date: 2020-03-20
Bug(s): #701282
ID: 202003-47

Synopsis

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


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: < 4.92.3
Unaffected: >= 4.92.3
Architectures: All supported architectures


Description

It was discovered that Exim incorrectly handled certain string
operations.


Impact

A remote attacker, able to connect to a vulnerable Exim instance, could
possibly execute arbitrary code with the privileges of the process or
cause a Denial of Service condition.


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-4.92.3"
   


References

CVE-2019-16928
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