-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: cyrus-imapd security update Advisory ID: RHSA-2011:0859-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-0859.html Issue date: 2011-06-08 CVE Names: CVE-2011-1926 ===================================================================== 1. Summary: Updated cyrus-imapd packages that fix one security issue are now available for Red Hat Enterprise Linux 4, 5, and 6. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. 2. Relevant releases/architectures: RHEL Desktop Workstation (v. 5 client) - i386, x86_64 Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64 Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64 Red Hat Enterprise Linux Desktop version 4 - i386, x86_64 Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64 3. Description: The cyrus-imapd packages contain a high-performance mail server with IMAP, POP3, NNTP, and Sieve support. It was discovered that cyrus-imapd did not flush the received commands buffer after switching to TLS encryption for IMAP, LMTP, NNTP, and POP3 sessions. A man-in-the-middle attacker could use this flaw to inject protocol commands into a victim's TLS session initialization messages. This could lead to those commands being processed by cyrus-imapd, potentially allowing the attacker to steal the victim's mail or authentication credentials. (CVE-2011-1926) Users of cyrus-imapd are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the update, cyrus-imapd will be restarted automatically. 4. Solution: Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259 5. Bugs fixed (http://bugzilla.redhat.com/): 705288 - CVE-2011-1926 cyrus-imapd: STARTTLS plaintext command injection 6. Package List: Red Hat Enterprise Linux AS version 4: Source: ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/cyrus-imapd-2.2.12-15.el4.src.rpm i386: cyrus-imapd-2.2.12-15.el4.i386.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.i386.rpm cyrus-imapd-devel-2.2.12-15.el4.i386.rpm cyrus-imapd-murder-2.2.12-15.el4.i386.rpm cyrus-imapd-nntp-2.2.12-15.el4.i386.rpm cyrus-imapd-utils-2.2.12-15.el4.i386.rpm perl-Cyrus-2.2.12-15.el4.i386.rpm ia64: cyrus-imapd-2.2.12-15.el4.ia64.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.ia64.rpm cyrus-imapd-devel-2.2.12-15.el4.ia64.rpm cyrus-imapd-murder-2.2.12-15.el4.ia64.rpm cyrus-imapd-nntp-2.2.12-15.el4.ia64.rpm cyrus-imapd-utils-2.2.12-15.el4.ia64.rpm perl-Cyrus-2.2.12-15.el4.ia64.rpm ppc: cyrus-imapd-2.2.12-15.el4.ppc.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.ppc.rpm cyrus-imapd-devel-2.2.12-15.el4.ppc.rpm cyrus-imapd-murder-2.2.12-15.el4.ppc.rpm cyrus-imapd-nntp-2.2.12-15.el4.ppc.rpm cyrus-imapd-utils-2.2.12-15.el4.ppc.rpm perl-Cyrus-2.2.12-15.el4.ppc.rpm s390: cyrus-imapd-2.2.12-15.el4.s390.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.s390.rpm cyrus-imapd-devel-2.2.12-15.el4.s390.rpm cyrus-imapd-murder-2.2.12-15.el4.s390.rpm cyrus-imapd-nntp-2.2.12-15.el4.s390.rpm cyrus-imapd-utils-2.2.12-15.el4.s390.rpm perl-Cyrus-2.2.12-15.el4.s390.rpm s390x: cyrus-imapd-2.2.12-15.el4.s390x.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.s390x.rpm cyrus-imapd-devel-2.2.12-15.el4.s390x.rpm cyrus-imapd-murder-2.2.12-15.el4.s390x.rpm cyrus-imapd-nntp-2.2.12-15.el4.s390x.rpm cyrus-imapd-utils-2.2.12-15.el4.s390x.rpm perl-Cyrus-2.2.12-15.el4.s390x.rpm x86_64: cyrus-imapd-2.2.12-15.el4.x86_64.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.x86_64.rpm cyrus-imapd-devel-2.2.12-15.el4.x86_64.rpm cyrus-imapd-murder-2.2.12-15.el4.x86_64.rpm cyrus-imapd-nntp-2.2.12-15.el4.x86_64.rpm cyrus-imapd-utils-2.2.12-15.el4.x86_64.rpm perl-Cyrus-2.2.12-15.el4.x86_64.rpm Red Hat Enterprise Linux Desktop version 4: Source: ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/cyrus-imapd-2.2.12-15.el4.src.rpm i386: cyrus-imapd-2.2.12-15.el4.i386.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.i386.rpm cyrus-imapd-devel-2.2.12-15.el4.i386.rpm cyrus-imapd-murder-2.2.12-15.el4.i386.rpm cyrus-imapd-nntp-2.2.12-15.el4.i386.rpm cyrus-imapd-utils-2.2.12-15.el4.i386.rpm perl-Cyrus-2.2.12-15.el4.i386.rpm x86_64: cyrus-imapd-2.2.12-15.el4.x86_64.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.x86_64.rpm cyrus-imapd-devel-2.2.12-15.el4.x86_64.rpm cyrus-imapd-murder-2.2.12-15.el4.x86_64.rpm cyrus-imapd-nntp-2.2.12-15.el4.x86_64.rpm cyrus-imapd-utils-2.2.12-15.el4.x86_64.rpm perl-Cyrus-2.2.12-15.el4.x86_64.rpm Red Hat Enterprise Linux ES version 4: Source: ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/cyrus-imapd-2.2.12-15.el4.src.rpm i386: cyrus-imapd-2.2.12-15.el4.i386.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.i386.rpm cyrus-imapd-devel-2.2.12-15.el4.i386.rpm cyrus-imapd-murder-2.2.12-15.el4.i386.rpm cyrus-imapd-nntp-2.2.12-15.el4.i386.rpm cyrus-imapd-utils-2.2.12-15.el4.i386.rpm perl-Cyrus-2.2.12-15.el4.i386.rpm ia64: cyrus-imapd-2.2.12-15.el4.ia64.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.ia64.rpm cyrus-imapd-devel-2.2.12-15.el4.ia64.rpm cyrus-imapd-murder-2.2.12-15.el4.ia64.rpm cyrus-imapd-nntp-2.2.12-15.el4.ia64.rpm cyrus-imapd-utils-2.2.12-15.el4.ia64.rpm perl-Cyrus-2.2.12-15.el4.ia64.rpm x86_64: cyrus-imapd-2.2.12-15.el4.x86_64.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.x86_64.rpm cyrus-imapd-devel-2.2.12-15.el4.x86_64.rpm cyrus-imapd-murder-2.2.12-15.el4.x86_64.rpm cyrus-imapd-nntp-2.2.12-15.el4.x86_64.rpm cyrus-imapd-utils-2.2.12-15.el4.x86_64.rpm perl-Cyrus-2.2.12-15.el4.x86_64.rpm Red Hat Enterprise Linux WS version 4: Source: ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/cyrus-imapd-2.2.12-15.el4.src.rpm i386: cyrus-imapd-2.2.12-15.el4.i386.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.i386.rpm cyrus-imapd-devel-2.2.12-15.el4.i386.rpm cyrus-imapd-murder-2.2.12-15.el4.i386.rpm cyrus-imapd-nntp-2.2.12-15.el4.i386.rpm cyrus-imapd-utils-2.2.12-15.el4.i386.rpm perl-Cyrus-2.2.12-15.el4.i386.rpm ia64: cyrus-imapd-2.2.12-15.el4.ia64.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.ia64.rpm cyrus-imapd-devel-2.2.12-15.el4.ia64.rpm cyrus-imapd-murder-2.2.12-15.el4.ia64.rpm cyrus-imapd-nntp-2.2.12-15.el4.ia64.rpm cyrus-imapd-utils-2.2.12-15.el4.ia64.rpm perl-Cyrus-2.2.12-15.el4.ia64.rpm x86_64: cyrus-imapd-2.2.12-15.el4.x86_64.rpm cyrus-imapd-debuginfo-2.2.12-15.el4.x86_64.rpm cyrus-imapd-devel-2.2.12-15.el4.x86_64.rpm cyrus-imapd-murder-2.2.12-15.el4.x86_64.rpm cyrus-imapd-nntp-2.2.12-15.el4.x86_64.rpm cyrus-imapd-utils-2.2.12-15.el4.x86_64.rpm perl-Cyrus-2.2.12-15.el4.x86_64.rpm RHEL Desktop Workstation (v. 5 client): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/cyrus-imapd-2.3.7-7.el5_6.4.src.rpm i386: cyrus-imapd-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-perl-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-utils-2.3.7-7.el5_6.4.i386.rpm x86_64: cyrus-imapd-2.3.7-7.el5_6.4.x86_64.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.x86_64.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.x86_64.rpm cyrus-imapd-perl-2.3.7-7.el5_6.4.x86_64.rpm cyrus-imapd-utils-2.3.7-7.el5_6.4.x86_64.rpm Red Hat Enterprise Linux (v. 5 server): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/cyrus-imapd-2.3.7-7.el5_6.4.src.rpm i386: cyrus-imapd-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-perl-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-utils-2.3.7-7.el5_6.4.i386.rpm ia64: cyrus-imapd-2.3.7-7.el5_6.4.ia64.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.ia64.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.ia64.rpm cyrus-imapd-perl-2.3.7-7.el5_6.4.ia64.rpm cyrus-imapd-utils-2.3.7-7.el5_6.4.ia64.rpm ppc: cyrus-imapd-2.3.7-7.el5_6.4.ppc.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.ppc.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.ppc64.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.ppc.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.ppc64.rpm cyrus-imapd-perl-2.3.7-7.el5_6.4.ppc.rpm cyrus-imapd-utils-2.3.7-7.el5_6.4.ppc.rpm s390x: cyrus-imapd-2.3.7-7.el5_6.4.s390x.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.s390.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.s390x.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.s390.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.s390x.rpm cyrus-imapd-perl-2.3.7-7.el5_6.4.s390x.rpm cyrus-imapd-utils-2.3.7-7.el5_6.4.s390x.rpm x86_64: cyrus-imapd-2.3.7-7.el5_6.4.x86_64.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-debuginfo-2.3.7-7.el5_6.4.x86_64.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.i386.rpm cyrus-imapd-devel-2.3.7-7.el5_6.4.x86_64.rpm cyrus-imapd-perl-2.3.7-7.el5_6.4.x86_64.rpm cyrus-imapd-utils-2.3.7-7.el5_6.4.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server-6.1.z/en/os/SRPMS/cyrus-imapd-2.3.16-6.el6_1.2.src.rpm i386: cyrus-imapd-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-utils-2.3.16-6.el6_1.2.i686.rpm ppc64: cyrus-imapd-2.3.16-6.el6_1.2.ppc64.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.ppc64.rpm cyrus-imapd-utils-2.3.16-6.el6_1.2.ppc64.rpm s390x: cyrus-imapd-2.3.16-6.el6_1.2.s390x.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.s390x.rpm cyrus-imapd-utils-2.3.16-6.el6_1.2.s390x.rpm x86_64: cyrus-imapd-2.3.16-6.el6_1.2.x86_64.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.x86_64.rpm cyrus-imapd-utils-2.3.16-6.el6_1.2.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server-6.1.z/en/os/SRPMS/cyrus-imapd-2.3.16-6.el6_1.2.src.rpm i386: cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.i686.rpm ppc64: cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.ppc.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.ppc64.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.ppc.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.ppc64.rpm s390x: cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.s390.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.s390x.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.s390.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.s390x.rpm x86_64: cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.x86_64.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation-6.1.z/en/os/SRPMS/cyrus-imapd-2.3.16-6.el6_1.2.src.rpm i386: cyrus-imapd-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-utils-2.3.16-6.el6_1.2.i686.rpm x86_64: cyrus-imapd-2.3.16-6.el6_1.2.x86_64.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.x86_64.rpm cyrus-imapd-utils-2.3.16-6.el6_1.2.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation-6.1.z/en/os/SRPMS/cyrus-imapd-2.3.16-6.el6_1.2.src.rpm i386: cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.i686.rpm x86_64: cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-debuginfo-2.3.16-6.el6_1.2.x86_64.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.i686.rpm cyrus-imapd-devel-2.3.16-6.el6_1.2.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2011-1926.html https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2011 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFN75fMXlSAg2UNWIIRAk+FAJ48pq7+C/HeNSMSolvopR+g+0k+FwCglKdl IZK0F3IXRdWOzsZ3ERJ2n7M= =qFBe -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce