Sigurnosni nedostaci programske biblioteke glibc

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Red Hat Security Advisory

Synopsis: Moderate: glibc security and bug fix update
Advisory ID: RHSA-2018:1879-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1879
Issue date: 2018-06-19
CVE Names: CVE-2017-15670 CVE-2017-15804
=====================================================================

1. Summary:

An update for glibc is now available for Red Hat Enterprise Linux 6.

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 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 Optional (v. 6) – i386, ppc64, s390x, 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 glibc packages provide the standard C libraries (libc), POSIX thread
libraries (libpthread), standard math libraries (libm), and the name
service cache daemon (nscd) used by multiple programs on the system.
Without these libraries, the Linux system cannot function correctly.

Security Fix(es):

* glibc: Buffer overflow in glob with GLOB_TILDE (CVE-2017-15670)

* glibc: Buffer overflow during unescaping of user names with the ~
operator (CVE-2017-15804)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 6.10 Release Notes and Red Hat Enterprise Linux 6.10
Technical Notes linked from the References section.

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

For the update to take effect, all services linked to the glibc library
must be restarted, or the system rebooted.

5. Bugs fixed (https://bugzilla.redhat.com/):

1437147 – Fix for thread cancellation of IdM functions incorrect in rhel-6.9.
1504804 – CVE-2017-15670 glibc: Buffer overflow in glob with GLOB_TILDE
1505298 – CVE-2017-15804 glibc: Buffer overflow during unescaping of user names with the ~ operator

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
glibc-2.12-1.212.el6.src.rpm

i386:
glibc-2.12-1.212.el6.i686.rpm
glibc-common-2.12-1.212.el6.i686.rpm
glibc-debuginfo-2.12-1.212.el6.i686.rpm
glibc-debuginfo-common-2.12-1.212.el6.i686.rpm
glibc-devel-2.12-1.212.el6.i686.rpm
glibc-headers-2.12-1.212.el6.i686.rpm
glibc-utils-2.12-1.212.el6.i686.rpm
nscd-2.12-1.212.el6.i686.rpm

x86_64:
glibc-2.12-1.212.el6.i686.rpm
glibc-2.12-1.212.el6.x86_64.rpm
glibc-common-2.12-1.212.el6.x86_64.rpm
glibc-debuginfo-2.12-1.212.el6.i686.rpm
glibc-debuginfo-2.12-1.212.el6.x86_64.rpm
glibc-debuginfo-common-2.12-1.212.el6.i686.rpm
glibc-debuginfo-common-2.12-1.212.el6.x86_64.rpm
glibc-devel-2.12-1.212.el6.i686.rpm
glibc-devel-2.12-1.212.el6.x86_64.rpm
glibc-headers-2.12-1.212.el6.x86_64.rpm
glibc-utils-2.12-1.212.el6.x86_64.rpm
nscd-2.12-1.212.el6.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

i386:
glibc-debuginfo-2.12-1.212.el6.i686.rpm
glibc-debuginfo-common-2.12-1.212.el6.i686.rpm
glibc-static-2.12-1.212.el6.i686.rpm

x86_64:
glibc-debuginfo-2.12-1.212.el6.i686.rpm
glibc-debuginfo-2.12-1.212.el6.x86_64.rpm
glibc-debuginfo-common-2.12-1.212.el6.i686.rpm
glibc-debuginfo-common-2.12-1.212.el6.x86_64.rpm
glibc-static-2.12-1.212.el6.i686.rpm
glibc-static-2.12-1.212.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
glibc-2.12-1.212.el6.src.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Red Hat Enterprise Linux Server (v. 6):

Source:
glibc-2.12-1.212.el6.src.rpm

ppc64:
glibc-2.12-1.212.el6.ppc.rpm
glibc-2.12-1.212.el6.ppc64.rpm
glibc-common-2.12-1.212.el6.ppc64.rpm
glibc-debuginfo-2.12-1.212.el6.ppc.rpm
glibc-debuginfo-2.12-1.212.el6.ppc64.rpm
glibc-debuginfo-common-2.12-1.212.el6.ppc.rpm
glibc-debuginfo-common-2.12-1.212.el6.ppc64.rpm
glibc-devel-2.12-1.212.el6.ppc.rpm
glibc-devel-2.12-1.212.el6.ppc64.rpm
glibc-headers-2.12-1.212.el6.ppc64.rpm
glibc-utils-2.12-1.212.el6.ppc64.rpm
nscd-2.12-1.212.el6.ppc64.rpm

s390x:
glibc-2.12-1.212.el6.s390.rpm
glibc-2.12-1.212.el6.s390x.rpm
glibc-common-2.12-1.212.el6.s390x.rpm
glibc-debuginfo-2.12-1.212.el6.s390.rpm
glibc-debuginfo-2.12-1.212.el6.s390x.rpm
glibc-debuginfo-common-2.12-1.212.el6.s390.rpm
glibc-debuginfo-common-2.12-1.212.el6.s390x.rpm
glibc-devel-2.12-1.212.el6.s390.rpm
glibc-devel-2.12-1.212.el6.s390x.rpm
glibc-headers-2.12-1.212.el6.s390x.rpm
glibc-utils-2.12-1.212.el6.s390x.rpm
nscd-2.12-1.212.el6.s390x.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

i386:
glibc-debuginfo-2.12-1.212.el6.i686.rpm
glibc-debuginfo-common-2.12-1.212.el6.i686.rpm
glibc-static-2.12-1.212.el6.i686.rpm

ppc64:
glibc-debuginfo-2.12-1.212.el6.ppc.rpm
glibc-debuginfo-2.12-1.212.el6.ppc64.rpm
glibc-debuginfo-common-2.12-1.212.el6.ppc.rpm
glibc-debuginfo-common-2.12-1.212.el6.ppc64.rpm
glibc-static-2.12-1.212.el6.ppc.rpm
glibc-static-2.12-1.212.el6.ppc64.rpm

s390x:
glibc-debuginfo-2.12-1.212.el6.s390.rpm
glibc-debuginfo-2.12-1.212.el6.s390x.rpm
glibc-debuginfo-common-2.12-1.212.el6.s390.rpm
glibc-debuginfo-common-2.12-1.212.el6.s390x.rpm
glibc-static-2.12-1.212.el6.s390.rpm
glibc-static-2.12-1.212.el6.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
glibc-2.12-1.212.el6.src.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

i386:
glibc-debuginfo-2.12-1.212.el6.i686.rpm
glibc-debuginfo-common-2.12-1.212.el6.i686.rpm
glibc-static-2.12-1.212.el6.i686.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-2017-15670
https://access.redhat.com/security/cve/CVE-2017-15804
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-US/red_hat_enterprise_linux/6/html/6.10_release_notes/index.html
https://access.redhat.com/documentation/en-US/red_hat_enterprise_linux/6/html/6.10_technical_notes/index.html

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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