Executive Summary
Summary | |
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Title | grep security and bug fix update |
Informations | |||
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Name | RHSA-2015:2111 | First vendor Publication | 2015-11-19 |
Vendor | RedHat | Last vendor Modification | 2015-11-19 |
Severity (Vendor) | Low | Revision | 07 |
Security-Database Scoring CVSS v3
Cvss vector : N/A | |||
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Overall CVSS Score | NA | ||
Base Score | NA | Environmental Score | NA |
impact SubScore | NA | Temporal Score | NA |
Exploitabality Sub Score | NA | ||
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:L/AC:L/Au:N/C:N/I:N/A:P) | |||
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Cvss Base Score | 2.1 | Attack Range | Local |
Cvss Impact Score | 2.9 | Attack Complexity | Low |
Cvss Expoit Score | 3.9 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
Problem Description: Updated grep packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Low 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 3. Description: 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. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1103259 - undocumented option --fixed-regexp 1159012 - inconsistent \w and [[:alnum:]] behaviour 1183651 - CVE-2015-1345 grep: heap buffer overrun |
Original Source
Url : https://rhn.redhat.com/errata/RHSA-2015-2111.html |
CWE : Common Weakness Enumeration
% | Id | Name |
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100 % | CWE-119 | Failure to Constrain Operations within the Bounds of a Memory Buffer |
CPE : Common Platform Enumeration
Type | Description | Count |
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Application | 3 | |
Os | 1 |
Nessus® Vulnerability Scanner
Date | Description |
---|---|
2017-06-29 | Name : The remote device is missing a vendor-supplied security patch. File : f5_bigip_SOL42891424.nasl - Type : ACT_GATHER_INFO |
2016-01-19 | Name : The remote Amazon Linux AMI host is missing a security update. File : ala_ALAS-2016-639.nasl - Type : ACT_GATHER_INFO |
2015-12-22 | Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20151119_grep_on_SL7_x.nasl - Type : ACT_GATHER_INFO |
2015-12-02 | Name : The remote CentOS host is missing a security update. File : centos_RHSA-2015-2111.nasl - Type : ACT_GATHER_INFO |
2015-11-24 | Name : The remote Oracle Linux host is missing a security update. File : oraclelinux_ELSA-2015-2111.nasl - Type : ACT_GATHER_INFO |
2015-11-19 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2015-2111.nasl - Type : ACT_GATHER_INFO |
2015-09-23 | Name : The remote Amazon Linux AMI host is missing a security update. File : ala_ALAS-2015-598.nasl - Type : ACT_GATHER_INFO |
2015-08-04 | Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20150722_grep_on_SL6_x.nasl - Type : ACT_GATHER_INFO |
2015-07-30 | Name : The remote Oracle Linux host is missing a security update. File : oraclelinux_ELSA-2015-1447.nasl - Type : ACT_GATHER_INFO |
2015-07-28 | Name : The remote CentOS host is missing a security update. File : centos_RHSA-2015-1447.nasl - Type : ACT_GATHER_INFO |
2015-07-23 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2015-1447.nasl - Type : ACT_GATHER_INFO |
2015-02-26 | Name : The remote Gentoo host is missing one or more security-related patches. File : gentoo_GLSA-201502-14.nasl - Type : ACT_GATHER_INFO |
2015-02-10 | Name : The remote openSUSE host is missing a security update. File : openSUSE-2015-121.nasl - Type : ACT_GATHER_INFO |
Alert History
Date | Informations |
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2015-12-05 13:28:29 |
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2015-12-03 13:26:48 |
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2015-11-20 13:27:29 |
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2015-11-20 00:25:10 |
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