RHEL 7 : patch (RHSA-2019:3757)

High Nessus Plugin ID 130743

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for patch is now available for Red Hat Enterprise Linux 7.5 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

The patch program applies diff files to originals. The diff command is used to compare an original to a changed file. Diff lists the changes made to the file. A person who has the original file can then use the patch command with the diff file to add the changes to their original file (patching the file).

Security Fix(es) :

* patch: do_ed_script in pch.c does not block strings beginning with a ! character (CVE-2018-20969)

* patch: OS shell command injection when processing crafted patch files (CVE-2019-13638)

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

Solution

Update the affected patch and / or patch-debuginfo packages.

See Also

https://access.redhat.com/errata/RHSA-2019:3757

https://access.redhat.com/security/cve/cve-2018-20969

https://access.redhat.com/security/cve/cve-2019-13638

Plugin Details

Severity: High

ID: 130743

File Name: redhat-RHSA-2019-3757.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2019/11/08

Updated: 2019/12/12

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9.3

Temporal Score: 7.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:patch, p-cpe:/a:redhat:enterprise_linux:patch-debuginfo, cpe:/o:redhat:enterprise_linux:7.5

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2019/11/06

Vulnerability Publication Date: 2019/07/26

Reference Information

CVE: CVE-2018-20969, CVE-2019-13638

RHSA: 2019:3757