Joined: 12 May 2004
|Posted: Mon Jun 25, 2012 9:26 pm Post subject: [ GLSA 201206-30 ] sendmail: X.509 NULL spoofing vulnerabili
|Gentoo Linux Security Advisory
Title: sendmail: X.509 NULL spoofing vulnerability (GLSA 201206-30)
Date: June 25, 2012
An error in the hostname matching in sendmail might enable remote
attackers to conduct man-in-the-middle attacks.
sendmail is a widely-used Mail Transport Agent (MTA).
Vulnerable: < 8.14.4
Unaffected: >= 8.14.4
Architectures: All supported architectures
A vulnerability has been discovered in sendmail. Please review the CVE
identifier referenced below for details.
A remote attacker might employ a specially crafted certificate to
conduct man-in-the-middle attacks on SSL connections made using sendmail.
There is no known workaround at this time.
All sendmail users should upgrade to the latest version:
|# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/sendmail-8.14.4"