An error in the hostname matching of IO::Socket::SSL might enable remote attackers to conduct man-in-the-middle attacks.
| Package | Arch | Vulnerable | Unaffected |
|---|---|---|---|
| dev-perl/IO-Socket-SSL | * | < 1.26 | >= 1.26 |
IO::Socket::SSL is a Perl class implementing an object oriented interface to SSL sockets.
The vendor reported that IO::Socket::SSL does not properly handle Common Name (CN) fields.
A remote attacker might employ a specially crafted certificate to conduct man-in-the-middle attacks on SSL connections made using IO::Socket::SSL.
There is no known workaround at this time.
All IO::Socket::SSL users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-perl/IO-Socket-SSL-1.26"