*** This bug is a security vulnerability *** Public security bug reported:
The STARTTLS implementation in Cyrus IMAP Server before 2.4.7 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411. http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-1926 ** Affects: cyrus-imapd-2.2 (Ubuntu) Importance: High Status: Confirmed ** Affects: cyrus-imapd-2.4 (Ubuntu) Importance: High Status: Invalid ** Affects: cyrus-imapd-2.2 (Ubuntu Lucid) Importance: High Status: Fix Released ** Affects: cyrus-imapd-2.4 (Ubuntu Lucid) Importance: High Status: Fix Released ** Affects: cyrus-imapd-2.2 (Ubuntu Maverick) Importance: High Status: Fix Released ** Affects: cyrus-imapd-2.4 (Ubuntu Maverick) Importance: High Status: Fix Released ** Affects: cyrus-imapd-2.2 (Ubuntu Natty) Importance: High Status: Confirmed ** Affects: cyrus-imapd-2.4 (Ubuntu Natty) Importance: High Status: Fix Released ** Affects: cyrus-imapd-2.2 (Ubuntu Oneiric) Importance: High Status: Confirmed ** Affects: cyrus-imapd-2.4 (Ubuntu Oneiric) Importance: High Status: Invalid ** Affects: cyrus-imapd-2.2 (Ubuntu Precise) Importance: High Status: Confirmed ** Affects: cyrus-imapd-2.4 (Ubuntu Precise) Importance: High Status: Invalid ** Affects: cyrus-imapd-2.2 (Ubuntu Hardy) Importance: High Status: Confirmed ** Affects: cyrus-imapd-2.4 (Ubuntu Hardy) Importance: High Status: Fix Released ** Visibility changed to: Public ** CVE added: http://www.cve.mitre.org/cgi- bin/cvename.cgi?name=2011-1926 ** Also affects: cyrus-imapd-2.4 (Ubuntu) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.2 (Ubuntu Precise) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.4 (Ubuntu Precise) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.2 (Ubuntu Lucid) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.4 (Ubuntu Lucid) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.2 (Ubuntu Oneiric) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.4 (Ubuntu Oneiric) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.2 (Ubuntu Hardy) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.4 (Ubuntu Hardy) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.2 (Ubuntu Natty) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.4 (Ubuntu Natty) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.2 (Ubuntu Maverick) Importance: Undecided Status: New ** Also affects: cyrus-imapd-2.4 (Ubuntu Maverick) Importance: Undecided Status: New ** Changed in: cyrus-imapd-2.2 (Ubuntu Lucid) Importance: Undecided => High ** Changed in: cyrus-imapd-2.2 (Ubuntu Lucid) Status: New => Fix Released ** Changed in: cyrus-imapd-2.2 (Ubuntu Maverick) Importance: Undecided => High ** Changed in: cyrus-imapd-2.2 (Ubuntu Maverick) Status: New => Fix Released ** Changed in: cyrus-imapd-2.2 (Ubuntu Hardy) Importance: Undecided => High ** Changed in: cyrus-imapd-2.2 (Ubuntu Hardy) Status: New => Confirmed ** Changed in: cyrus-imapd-2.2 (Ubuntu Natty) Importance: Undecided => High ** Changed in: cyrus-imapd-2.2 (Ubuntu Natty) Status: New => Confirmed ** Changed in: cyrus-imapd-2.2 (Ubuntu Oneiric) Importance: Undecided => High ** Changed in: cyrus-imapd-2.2 (Ubuntu Oneiric) Status: New => Confirmed ** Changed in: cyrus-imapd-2.2 (Ubuntu Precise) Importance: Undecided => High ** Changed in: cyrus-imapd-2.2 (Ubuntu Precise) Status: New => Confirmed ** Changed in: cyrus-imapd-2.4 (Ubuntu Oneiric) Status: New => Invalid ** Changed in: cyrus-imapd-2.4 (Ubuntu Oneiric) Importance: Undecided => High ** Changed in: cyrus-imapd-2.4 (Ubuntu Precise) Importance: Undecided => High ** Changed in: cyrus-imapd-2.4 (Ubuntu Precise) Status: New => Invalid ** Changed in: cyrus-imapd-2.4 (Ubuntu Natty) Importance: Undecided => High ** Changed in: cyrus-imapd-2.4 (Ubuntu Natty) Status: New => Fix Released ** Changed in: cyrus-imapd-2.4 (Ubuntu Maverick) Importance: Undecided => High ** Changed in: cyrus-imapd-2.4 (Ubuntu Maverick) Status: New => Fix Released ** Changed in: cyrus-imapd-2.4 (Ubuntu Lucid) Importance: Undecided => High ** Changed in: cyrus-imapd-2.4 (Ubuntu Lucid) Status: New => Fix Released ** Changed in: cyrus-imapd-2.4 (Ubuntu Hardy) Importance: Undecided => High ** Changed in: cyrus-imapd-2.4 (Ubuntu Hardy) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/880924 Title: STARTTLS implementation allows MITM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cyrus-imapd-2.2/+bug/880924/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
