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centosCentOS ProjectCESA-2015:0092
HistoryJan 27, 2015 - 11:31 p.m.

glibc, nscd security update

2015-01-2723:31:01
CentOS Project
lists.centos.org
100

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.975 High

EPSS

Percentile

100.0%

CentOS Errata and Security Advisory CESA-2015:0092

The glibc packages provide the standard C libraries (libc), POSIX thread
libraries (libpthread), standard math libraries (libm), and the Name
Server Caching Daemon (nscd) used by multiple programs on the system.
Without these libraries, the Linux system cannot function correctly.

A heap-based buffer overflow was found in glibc’s
__nss_hostname_digits_dots() function, which is used by the gethostbyname()
and gethostbyname2() glibc function calls. A remote attacker able to make
an application call either of these functions could use this flaw to
execute arbitrary code with the permissions of the user running the
application. (CVE-2015-0235)

Red Hat would like to thank Qualys for reporting this issue.

All glibc users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2015-January/083069.html
https://lists.centos.org/pipermail/centos-announce/2015-January/083070.html

Affected packages:
glibc
glibc-common
glibc-devel
glibc-headers
glibc-static
glibc-utils
nscd

Upstream details at:
https://access.redhat.com/errata/RHSA-2015:0092

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.975 High

EPSS

Percentile

100.0%