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===================================================================== Red Hat Security Advisory
Synopsis: Moderate: sudo security update Advisory ID: RHSA-2016:2872-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-2872.html Issue date: 2016-12-06 CVE Names: CVE-2016-7032 CVE-2016-7076 =====================================================================
1. Summary:
An update for sudo is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.
Security Fix(es):
* It was discovered that the sudo noexec restriction could have been bypassed if application run via sudo executed system(), popen(), or wordexp() C library functions with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could use these flaws to execute arbitrary commands with elevated privileges. (CVE-2016-7032, CVE-2016-7076)
These issues were discovered by Florian Weimer (Red Hat).
4. Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1372830 - CVE-2016-7032 sudo: noexec bypass via system() and popen() 1384982 - CVE-2016-7076 sudo: noexec bypass via wordexp()
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source: sudo-1.8.6p3-25.el6_8.src.rpm
i386: sudo-1.8.6p3-25.el6_8.i686.rpm sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm
x86_64: sudo-1.8.6p3-25.el6_8.x86_64.rpm sudo-debuginfo-1.8.6p3-25.el6_8.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386: sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm sudo-devel-1.8.6p3-25.el6_8.i686.rpm
x86_64: sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm sudo-debuginfo-1.8.6p3-25.el6_8.x86_64.rpm sudo-devel-1.8.6p3-25.el6_8.i686.rpm sudo-devel-1.8.6p3-25.el6_8.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: sudo-1.8.6p3-25.el6_8.src.rpm
x86_64: sudo-1.8.6p3-25.el6_8.x86_64.rpm sudo-debuginfo-1.8.6p3-25.el6_8.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64: sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm sudo-debuginfo-1.8.6p3-25.el6_8.x86_64.rpm sudo-devel-1.8.6p3-25.el6_8.i686.rpm sudo-devel-1.8.6p3-25.el6_8.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: sudo-1.8.6p3-25.el6_8.src.rpm
i386: sudo-1.8.6p3-25.el6_8.i686.rpm sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm
ppc64: sudo-1.8.6p3-25.el6_8.ppc64.rpm sudo-debuginfo-1.8.6p3-25.el6_8.ppc64.rpm
s390x: sudo-1.8.6p3-25.el6_8.s390x.rpm sudo-debuginfo-1.8.6p3-25.el6_8.s390x.rpm
x86_64: sudo-1.8.6p3-25.el6_8.x86_64.rpm sudo-debuginfo-1.8.6p3-25.el6_8.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
i386: sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm sudo-devel-1.8.6p3-25.el6_8.i686.rpm
ppc64: sudo-debuginfo-1.8.6p3-25.el6_8.ppc.rpm sudo-debuginfo-1.8.6p3-25.el6_8.ppc64.rpm sudo-devel-1.8.6p3-25.el6_8.ppc.rpm sudo-devel-1.8.6p3-25.el6_8.ppc64.rpm
s390x: sudo-debuginfo-1.8.6p3-25.el6_8.s390.rpm sudo-debuginfo-1.8.6p3-25.el6_8.s390x.rpm sudo-devel-1.8.6p3-25.el6_8.s390.rpm sudo-devel-1.8.6p3-25.el6_8.s390x.rpm
x86_64: sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm sudo-debuginfo-1.8.6p3-25.el6_8.x86_64.rpm sudo-devel-1.8.6p3-25.el6_8.i686.rpm sudo-devel-1.8.6p3-25.el6_8.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: sudo-1.8.6p3-25.el6_8.src.rpm
i386: sudo-1.8.6p3-25.el6_8.i686.rpm sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm
x86_64: sudo-1.8.6p3-25.el6_8.x86_64.rpm sudo-debuginfo-1.8.6p3-25.el6_8.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
i386: sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm sudo-devel-1.8.6p3-25.el6_8.i686.rpm
x86_64: sudo-debuginfo-1.8.6p3-25.el6_8.i686.rpm sudo-debuginfo-1.8.6p3-25.el6_8.x86_64.rpm sudo-devel-1.8.6p3-25.el6_8.i686.rpm sudo-devel-1.8.6p3-25.el6_8.x86_64.rpm
Red Hat Enterprise Linux Client (v. 7):
Source: sudo-1.8.6p7-21.el7_3.src.rpm
x86_64: sudo-1.8.6p7-21.el7_3.x86_64.rpm sudo-debuginfo-1.8.6p7-21.el7_3.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: sudo-debuginfo-1.8.6p7-21.el7_3.i686.rpm sudo-debuginfo-1.8.6p7-21.el7_3.x86_64.rpm sudo-devel-1.8.6p7-21.el7_3.i686.rpm sudo-devel-1.8.6p7-21.el7_3.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: sudo-1.8.6p7-21.el7_3.src.rpm
x86_64: sudo-1.8.6p7-21.el7_3.x86_64.rpm sudo-debuginfo-1.8.6p7-21.el7_3.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: sudo-debuginfo-1.8.6p7-21.el7_3.i686.rpm sudo-debuginfo-1.8.6p7-21.el7_3.x86_64.rpm sudo-devel-1.8.6p7-21.el7_3.i686.rpm sudo-devel-1.8.6p7-21.el7_3.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: sudo-1.8.6p7-21.el7_3.src.rpm
aarch64: sudo-1.8.6p7-21.el7_3.aarch64.rpm sudo-debuginfo-1.8.6p7-21.el7_3.aarch64.rpm
ppc64: sudo-1.8.6p7-21.el7_3.ppc64.rpm sudo-debuginfo-1.8.6p7-21.el7_3.ppc64.rpm
ppc64le: sudo-1.8.6p7-21.el7_3.ppc64le.rpm sudo-debuginfo-1.8.6p7-21.el7_3.ppc64le.rpm
s390x: sudo-1.8.6p7-21.el7_3.s390x.rpm sudo-debuginfo-1.8.6p7-21.el7_3.s390x.rpm
x86_64: sudo-1.8.6p7-21.el7_3.x86_64.rpm sudo-debuginfo-1.8.6p7-21.el7_3.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
aarch64: sudo-debuginfo-1.8.6p7-21.el7_3.aarch64.rpm sudo-devel-1.8.6p7-21.el7_3.aarch64.rpm
ppc64: sudo-debuginfo-1.8.6p7-21.el7_3.ppc.rpm sudo-debuginfo-1.8.6p7-21.el7_3.ppc64.rpm sudo-devel-1.8.6p7-21.el7_3.ppc.rpm sudo-devel-1.8.6p7-21.el7_3.ppc64.rpm
ppc64le: sudo-debuginfo-1.8.6p7-21.el7_3.ppc64le.rpm sudo-devel-1.8.6p7-21.el7_3.ppc64le.rpm
s390x: sudo-debuginfo-1.8.6p7-21.el7_3.s390.rpm sudo-debuginfo-1.8.6p7-21.el7_3.s390x.rpm sudo-devel-1.8.6p7-21.el7_3.s390.rpm sudo-devel-1.8.6p7-21.el7_3.s390x.rpm
x86_64: sudo-debuginfo-1.8.6p7-21.el7_3.i686.rpm sudo-debuginfo-1.8.6p7-21.el7_3.x86_64.rpm sudo-devel-1.8.6p7-21.el7_3.i686.rpm sudo-devel-1.8.6p7-21.el7_3.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: sudo-1.8.6p7-21.el7_3.src.rpm
x86_64: sudo-1.8.6p7-21.el7_3.x86_64.rpm sudo-debuginfo-1.8.6p7-21.el7_3.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: sudo-debuginfo-1.8.6p7-21.el7_3.i686.rpm sudo-debuginfo-1.8.6p7-21.el7_3.x86_64.rpm sudo-devel-1.8.6p7-21.el7_3.i686.rpm sudo-devel-1.8.6p7-21.el7_3.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-2016-7032 https://access.redhat.com/security/cve/CVE-2016-7076 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/
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