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Red Hat Security Advisory
Synopsis: Moderate: rpcbind security update
Advisory ID: RHSA-2016:0005-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0005.html
Issue date: 2016-01-07
CVE Names: CVE-2015-7236
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1. Summary:
Updated rpcbind packages that fix one security issue are now available for
Red Hat Enterprise Linux 6 and 7.
Red Hat Product Security 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:
Red Hat Enterprise Linux Client (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) – x86_64
Red Hat Enterprise Linux Desktop (v. 6) – i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) – x86_64
Red Hat Enterprise Linux Server (v. 6) – i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) – i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
3. Description:
The rpcbind utility is a server that converts RPC program numbers into
universal addresses. It must be running on the host to be able to make RPC
calls on a server on that machine.
A use-after-free flaw related to the PMAP_CALLIT operation and TCP/UDP
connections was discovered in rpcbind. A remote attacker could possibly
exploit this flaw to crash the rpcbind service by performing a series of
UDP and TCP calls. (CVE-2015-7236)
All rpcbind users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. If the rpcbind service
is running, it will be automatically restarted after installing this
update.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1264345 – CVE-2015-7236 rpcbind: Use-after-free vulnerability in PMAP_CALLIT
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
rpcbind-0.2.0-11.el6_7.src.rpm
i386:
rpcbind-0.2.0-11.el6_7.i686.rpm
rpcbind-debuginfo-0.2.0-11.el6_7.i686.rpm
x86_64:
rpcbind-0.2.0-11.el6_7.x86_64.rpm
rpcbind-debuginfo-0.2.0-11.el6_7.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
rpcbind-0.2.0-11.el6_7.src.rpm
x86_64:
rpcbind-0.2.0-11.el6_7.x86_64.rpm
rpcbind-debuginfo-0.2.0-11.el6_7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
rpcbind-0.2.0-11.el6_7.src.rpm
i386:
rpcbind-0.2.0-11.el6_7.i686.rpm
rpcbind-debuginfo-0.2.0-11.el6_7.i686.rpm
ppc64:
rpcbind-0.2.0-11.el6_7.ppc64.rpm
rpcbind-debuginfo-0.2.0-11.el6_7.ppc64.rpm
s390x:
rpcbind-0.2.0-11.el6_7.s390x.rpm
rpcbind-debuginfo-0.2.0-11.el6_7.s390x.rpm
x86_64:
rpcbind-0.2.0-11.el6_7.x86_64.rpm
rpcbind-debuginfo-0.2.0-11.el6_7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
rpcbind-0.2.0-11.el6_7.src.rpm
i386:
rpcbind-0.2.0-11.el6_7.i686.rpm
rpcbind-debuginfo-0.2.0-11.el6_7.i686.rpm
x86_64:
rpcbind-0.2.0-11.el6_7.x86_64.rpm
rpcbind-debuginfo-0.2.0-11.el6_7.x86_64.rpm
Red Hat Enterprise Linux Client (v. 7):
Source:
rpcbind-0.2.0-33.el7_2.src.rpm
x86_64:
rpcbind-0.2.0-33.el7_2.x86_64.rpm
rpcbind-debuginfo-0.2.0-33.el7_2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
rpcbind-0.2.0-33.el7_2.src.rpm
x86_64:
rpcbind-0.2.0-33.el7_2.x86_64.rpm
rpcbind-debuginfo-0.2.0-33.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
rpcbind-0.2.0-33.el7_2.src.rpm
ppc64:
rpcbind-0.2.0-33.el7_2.ppc64.rpm
rpcbind-debuginfo-0.2.0-33.el7_2.ppc64.rpm
ppc64le:
rpcbind-0.2.0-33.el7_2.ppc64le.rpm
rpcbind-debuginfo-0.2.0-33.el7_2.ppc64le.rpm
s390x:
rpcbind-0.2.0-33.el7_2.s390x.rpm
rpcbind-debuginfo-0.2.0-33.el7_2.s390x.rpm
x86_64:
rpcbind-0.2.0-33.el7_2.x86_64.rpm
rpcbind-debuginfo-0.2.0-33.el7_2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
rpcbind-0.2.0-33.el7_2.src.rpm
x86_64:
rpcbind-0.2.0-33.el7_2.x86_64.rpm
rpcbind-debuginfo-0.2.0-33.el7_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/
7. References:
https://access.redhat.com/security/cve/CVE-2015-7236
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 2016 Red Hat, Inc.
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