RedHat: Low: mcstrans security and bug fix update
Summary
Summary
mcstrans is the translation daemon used on SELinux machines to translate program context into human readable form. An algorithmic complexity weakness was found in the way the mcstrans daemon handled ranges of compartments in sensitivity labels. A local user could trigger this flaw causing mctransd to temporarily stop responding to other requests; a partial denial of service. (CVE-2007-4570) This update also fixes a problem where the mcstrans daemon was preventing SSH connections into an SELinux box, that was running a Multi-Level Security (MLS) Policy with multiple categories. Users of mcstrans are advised to upgrade to this updated package, which resolves this issue.
Solution
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
5. Bug IDs fixed (http://bugzilla.redhat.com/):
228398 - LSPP: Not able to ssh into the machine with multiple categories
288201 - CVE-2007-4570 mctransd DoS
6. RPMs required:
Red Hat Enterprise Linux Desktop (v. 5 client):
SRPMS:
11f10d2f7a344eee82eec893731a4d22 mcstrans-0.2.6-1.el5.src.rpm
i386:
ade7ed8667b6aa159fa3218c2f842236 mcstrans-0.2.6-1.el5.i386.rpm
6426d76117954de72d832f3912b2e31c mcstrans-debuginfo-0.2.6-1.el5.i386.rpm
x86_64:
0db9bf6e576084bb343f826b4f0e6c7b mcstrans-0.2.6-1.el5.x86_64.rpm
23fa93a3b07b1aff4a8348e273168667 mcstrans-debuginfo-0.2.6-1.el5.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
SRPMS:
11f10d2f7a344eee82eec893731a4d22 mcstrans-0.2.6-1.el5.src.rpm
i386:
ade7ed8667b6aa159fa3218c2f842236 mcstrans-0.2.6-1.el5.i386.rpm
6426d76117954de72d832f3912b2e31c mcstrans-debuginfo-0.2.6-1.el5.i386.rpm
ia64:
b798e7bb0c57b63d8537bb49292211d5 mcstrans-0.2.6-1.el5.ia64.rpm
90a599aba629dd033e331d76b5805783 mcstrans-debuginfo-0.2.6-1.el5.ia64.rpm
ppc:
a0b839b70b33e73d86f7d3d05811fdf5 mcstrans-0.2.6-1.el5.ppc.rpm
79ace618de83151996e3bd3b8cf0ccce mcstrans-debuginfo-0.2.6-1.el5.ppc.rpm
s390x:
fdc405c2b94baa8de61eedabbe93019b mcstrans-0.2.6-1.el5.s390x.rpm
39eb14688a9d5d4bc06abd64992a3042 mcstrans-debuginfo-0.2.6-1.el5.s390x.rpm
x86_64:
0db9bf6e576084bb343f826b4f0e6c7b mcstrans-0.2.6-1.el5.x86_64.rpm
23fa93a3b07b1aff4a8348e273168667 mcstrans-debuginfo-0.2.6-1.el5.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://www.redhat.com/security/team/key/#package
References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4570 http://www.redhat.com/security/updates/classification/#low
Package List
Topic
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Bugs Fixed