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[ GLSA 201206-34 ] msmtp: X.509 NULL spoofing vulnerability
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GLSA
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PostPosted: Tue Jun 26, 2012 1:26 am    Post subject: [ GLSA 201206-34 ] msmtp: X.509 NULL spoofing vulnerability Reply with quote

Gentoo Linux Security Advisory

Title: msmtp: X.509 NULL spoofing vulnerability (GLSA 201206-34)
Severity: normal
Exploitable: remote
Date: June 25, 2012
Bug(s): #293647
ID: 201206-34

Synopsis

An error in the hostname matching in msmtp might enable remote
attackers to conduct man-in-the-middle attacks.


Background

msmtp is an SMTP client and SMTP plugin for mail user agents such as
Mutt.


Affected Packages

Package: mail-mta/msmtp
Vulnerable: < 1.4.19
Unaffected: >= 1.4.19
Architectures: All supported architectures


Description

A vulnerability have been discovered in msmtp. Please review the CVE
identifier referenced below for details.


Impact

A remote attacker might employ a specially crafted certificate to
conduct man-in-the-middle attacks on SSL connections made using msmtp.


Workaround

There is no known workaround at this time.

Resolution

All msmtp users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=mail-mta/msmtp-1.4.19"
   


References

CVE-2009-3942


Last edited by GLSA on Wed Apr 16, 2014 4:32 am; edited 2 times in total
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