isync: Man-in-the-Middle attack — GLSA 201310-02

A vulnerability in isync could allow remote attackers to perform man-in-the-middle attacks.

Affected Packages

net-mail/isync on all architectures
Affected versions < 1.0.6
Unaffected versions >= 1.0.6

Background

isync is an IMAP and MailDir mailbox synchronizer.

Description

isync does not properly verify the server’s hostname against the CN field in the SSL certificate.

Impact

A remote server could perform man-in-the-middle attacks to disclose passwords or obtain other sensitive information.

Workaround

There is no known workaround at this time.

Resolution

All isync users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-mail/isync-1.0.6"
 

References

Release Date
October 05, 2013

Latest Revision
October 05, 2013: 1

Severity
low

Exploitable
remote

Bugzilla entries