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Alerts This Week
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Alerts This Week
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Gentoo: GLSA-201101-06 Normal: IO::Socket::SSL Man-in-the-Middle Threat

gentoo
Calendar Grey January 16, 2011
Scroller Gentoo
Gentoo Linux Advisory GLSA 202303-08 brings attention to a vulnerability in the Network::Security::SSL module that could potentially expose systems to exploitative actions.
An error in the hostname matching of IO::Socket::SSL might enable remote attackers to conduct man-in-the-middle attacks.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo man-in-the-middle certificate issue IO::Socket::SSL severity normal

Resolution

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

References

[ 1 ] CVE-2009-3024 https://www.cve.org/CVERecord?id=CVE-2009-3024

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201101-06
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: IO::Socket::SSL: Certificate validation error
Date: January 16, 2011
Bugs: #276360
ID: 201101-06

Topics%20covered

Topics Covered

security advisory Gentoo man-in-the-middle certificate issue IO::Socket::SSL severity normal

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-perl/IO-Socket-SSL < 1.26 >= 1.26

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.