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CentOS position on systems intrusion at Red Hat (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Fri, 22 Aug 2008 21:45:22 +0100 From: Karanbir Singh <kbsingh at centos.org> Subject: [CentOS-announce] CESA-2008:0855 Critical CentOS 5 x86_64 openssh Update To: centos-announce at centos.org Message-ID: <20080822204522.GA21052 at base.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2008:0855 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2008-0855.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 161c953e8c1c47c09542020837e9920b openssh-4.3p2-26.el5_2.1.x86_64.rpm 12b02fb6e6d1e8354539cd4cba304803 openssh-askpass-4.3p2-26.el5_2.1.x86_64.rpm c281a62dc3c21f1225ea309757b755d1 openssh-clients-4.3p2-26.el5_2.1.x86_64.rpm 01b3486f17ecb4adc7c59074525b7fd9 openssh-server-4.3p2-26.el5_2.1.x86_64.rpm Source: 278cfb304350f3604fb64ebaee3f1b77 openssh-4.3p2-26.el5_2.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos at irc.freenode.net ------------------------------ Message: 2 Date: Fri, 22 Aug 2008 21:45:22 +0100 From: Karanbir Singh <kbsingh at centos.org> Subject: [CentOS-announce] CESA-2008:0855 Critical CentOS 5 i386 openssh Update To: centos-announce at centos.org Message-ID: <20080822204522.GA21035 at base.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2008:0855 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2008-0855.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: d45c32890088d835ce8bc4a569173775 openssh-4.3p2-26.el5_2.1.i386.rpm 7f8194567e7797d834c22090d9c55b69 openssh-askpass-4.3p2-26.el5_2.1.i386.rpm c145d732591711659b5fe756a4e9a085 openssh-clients-4.3p2-26.el5_2.1.i386.rpm 2b1fdc9b245f2c8cd873ea7f8e3b900c openssh-server-4.3p2-26.el5_2.1.i386.rpm Source: 278cfb304350f3604fb64ebaee3f1b77 openssh-4.3p2-26.el5_2.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos at irc.freenode.net ------------------------------ Message: 3 Date: Fri, 22 Aug 2008 23:15:29 +0100 From: Karanbir Singh <kbsingh at centos.org> Subject: [CentOS-announce] CentOS position on systems intrusion at Red Hat To: CentOS-Announce <centos-announce at centos.org>, CentOS mailing list <centos at centos.org> Message-ID: <48AF3A81.3090903 at centos.org> Content-Type: text/plain; charset=ISO-8859-1 Earlier in the day today Red Hat made an announcement [1] that there had been an intrusion into some of their computer systems last week. In the same announcement they mention that some of the packages for OpenSSH on RHEL-4 ( i386 and x86_64 ) as well as RHEL-5 ( x86_64 ) were signed by the intruder. In their announcement they also clarified that they were confident that none of these, potentially compromised, packages made their way into or through RHN to client and customer machines. As a security measure a script [3] was made available along with a semi-detailed description of the issue [2]. We take security issues very seriously, and as soon as we were made aware of the situation I undertook a complete audit of the entire CentOS4/5 Build and Signing infrastructure. We can now assure everyone that no compromise has taken place anywhere within the CentOS Infrastructure. Our entire setup is located behind multiple firewalls, and only accessible from a very small number of places, by only a few people. Also included in this audit were all entry points to the build services, signing machines, primary release machines and connectivity between all these hosts. Since OpenSSH is a critical component of any Linux machine, we considered it essential to audit the last two released package sets ( openssh-4.3p2-26.el5.src.rpm, openssh-4.3p2-26.el5_2.1.src.rpm ). I have just finished this code audit, and can assure everyone that there is no compromised code included in either of these packages. A similar check is also being done for the CentOS-4 sources. Packages released today, by upstream, ( based on : openssh-4.3p2-26.el5_2.1.src.rpm, openssh-3.9p1-11.el4_7.src.rpm ) address two issues. Firstly they contain a fix for http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4752 . And secondly, in the remote event that someone had indeed got compromised packages via RHN, their packages would get updated to a known good state. We wanted to get these packages out right away to address the first issue, and also to cover users converting non updated RHEL installs to CentOS in the next few weeks/months. Release of these packages into the mirror.centos.org network does *not* imply that CentOS users are affected by the intrusion at Red Hat. Finally, while we feel confident that there is no possibility of this compromise having been passed onto the CentOS userbase, we still encourage users to verify their packages independently using whatever resources they might have available. -- [1]: https://rhn.redhat.com/errata/RHSA-2008-0855.html [2]: http://www.redhat.com/security/data/openssh-blacklist.html [3]: https://www.redhat.com/security/data/openssh-blacklist-1.0.sh :Its important to note that this script *only* checks for packages built within Red Hat, and will *not* be a reliable source of verification on CentOS since we rebuild from sources, using no Red Hat binary. -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos at irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce at centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 42, Issue 6 **********************************************