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[ GLSA 201101-06 ] IO::Socket::SSL: Certificate validation error
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GLSA
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Joined: 12 May 2004
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PostPosted: Sun Jan 16, 2011 12:26 pm    Post subject: [ GLSA 201101-06 ] IO::Socket::SSL: Certificate validation e Reply with quote

Gentoo Linux Security Advisory

Title: IO::Socket::SSL: Certificate validation error (GLSA 201101-06)
Severity: normal
Exploitable: remote
Date: January 16, 2011
Bug(s): #276360
ID: 201101-06

Synopsis


An error in the hostname matching of IO::Socket::SSL might enable remote
attackers to conduct man-in-the-middle attacks.


Background


IO::Socket::SSL is a Perl class implementing an object oriented
interface to SSL sockets.


Affected Packages

Package: dev-perl/IO-Socket-SSL
Vulnerable: < 1.26
Unaffected: >= 1.26
Architectures: All supported architectures


Description


The vendor reported that IO::Socket::SSL does not properly handle
Common Name (CN) fields.


Impact


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


Workaround


There is no known workaround at this time.


Resolution


All IO::Socket::SSL users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-perl/IO-Socket-SSL-1.26"


References

CVE-2009-3024


Last edited by GLSA on Mon Nov 24, 2014 4:30 am; edited 4 times in total
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