Debian: DSA-2242-1: cyrus-imapd-2.2 security update
Debian: DSA-2242-1: cyrus-imapd-2.2 security update
It was discovered that the STARTTLS implementation of the Cyrus IMAP server does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted IMAP, LMTP, NNTP and POP3 sessions by sending a cleartext command that is
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2242-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Moritz Muehlenhoff May 25, 2011 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : cyrus-imapd-2.2 Vulnerability : implementation error Problem type : remote Debian-specific: no CVE ID : CVE-2011-1926 Debian Bug : 627081 It was discovered that the STARTTLS implementation of the Cyrus IMAP server does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted IMAP, LMTP, NNTP and POP3 sessions by sending a cleartext command that is processed after TLS is in place. For the oldstable distribution (lenny), this problem has been fixed in version 2.2.13-14+lenny4. For the stable distribution (squeeze), this problem has been fixed in version 2.2.13-19+squeeze1. For the unstable distribution (sid), this problem has been fixed in version 2.2.13p1-11 for cyrus-imapd-2.2 and in version 2.4.7-1 for cyrus-imapd-2.4. We recommend that you upgrade your cyrus-imapd-2.2 packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.