|Category:||Red Hat Local Security Checks|
|Title:||RedHat Update for grep RHSA-2015:2111-07|
|Summary:||The remote host is missing an update for the 'grep'; package(s) announced via the referenced advisory.|
The remote host is missing an update for the 'grep'
package(s) announced via the referenced advisory.
The grep utility searches through textual
input for lines that contain a match to a specified pattern and then prints the
matching lines. The GNU grep utilities include grep, egrep, and fgrep.
A heap-based buffer overflow flaw was found in the way grep processed
certain pattern and text combinations. An attacker able to trick a user
into running grep on specially crafted input could use this flaw to crash
grep or, potentially, read from uninitialized memory. (CVE-2015-1345)
This update also fixes the following bugs:
* Prior to this update, the \w and \W symbols were inconsistently matched
to the [:alnum:] character class. Consequently, using regular expressions
with '\w' and '\W' could lead to incorrect results. With this update, '\w'
is consistently matched to the [_[:alnum:]] character, and '\W' is
consistently matched to the [^_[:alnum:]] character. (BZ#1159012)
* Previously, the Perl Compatible Regular Expression (PCRE) matcher
(selected by the '-P' parameter in grep) did not work correctly when
matching non-UTF-8 text in UTF-8 locales. Consequently, an error message
about invalid UTF-8 byte sequence characters was returned. To fix this bug,
patches from upstream have been applied to the grep utility. As a result,
PCRE now skips non-UTF-8 characters as non-matching text without returning
any error message. (BZ#1217080)
All grep users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues.
grep on Red Hat Enterprise Linux Server (v. 7)
Please Install the Updated Packages.
Common Vulnerability Exposure (CVE) ID: CVE-2015-1345|
BugTraq ID: 72281
RedHat Security Advisories: RHSA-2015:1447
SuSE Security Announcement: openSUSE-SU-2015:0243 (Google Search)
|Copyright||Copyright (C) 2015 Greenbone Networks GmbH|
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