Oracle Linux 7 : glibc (ELSA-2015-2172)

This script is Copyright (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

The remote Oracle Linux host is missing one or more security updates.

Description :

From Red Hat Security Advisory 2015:2172 :

Updated glibc packages that fix one security issue are now available
for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Important
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.

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.

It was discovered that the nss_files backend for the Name Service
Switch in glibc would return incorrect data to applications or corrupt
the heap (depending on adjacent heap contents) in certain cases. A
local attacker could potentially use this flaw to escalate their
privileges. (CVE-2015-5277)

This issue was discovered by Sumit Bose and Lukas Slebodnik of Red
Hat.

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

See also :

https://oss.oracle.com/pipermail/el-errata/2015-November/005583.html

Solution :

Update the affected glibc packages.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 5.3
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Oracle Linux Local Security Checks

Nessus Plugin ID: 87091 ()

Bugtraq ID:

CVE ID: CVE-2015-5277

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