Executive Summary

Summary
Title ghostscript security update
Informations
Name RHSA-2019:0971 First vendor Publication 2019-05-07
Vendor RedHat Last vendor Modification 2019-05-07
Severity (Vendor) N/A Revision 01

Security-Database Scoring CVSS v3

Cvss vector : N/A
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:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

An update for ghostscript is now available for Red Hat Enterprise Linux 8.

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.

2. Relevant releases/architectures:

Red Hat CodeReady Linux Builder (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64 Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed.

Security Fix(es):

* ghostscript: superexec operator is available (700585) (CVE-2019-3835)

* ghostscript: forceput in DefineResource is still accessible (700576) (CVE-2019-3838)

* ghostscript: missing attack vector protections for CVE-2019-6116 (CVE-2019-3839)

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.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1673304 - CVE-2019-3839 ghostscript: missing attack vector protections for CVE-2019-6116 1677581 - CVE-2019-3838 ghostscript: forceput in DefineResource is still accessible (700576) 1677588 - CVE-2019-3835 ghostscript: superexec operator is available (700585)

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2019-0971.html

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-284 Access Control (Authorization) Issues
25 % CWE-264 Permissions, Privileges, and Access Controls
25 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 24
Application 1
Os 4
Os 2
Os 3
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1

Snort® IPS/IDS

Date Description
2019-03-05 Ghostscript PostScript remote code execution attempt
RuleID : 49086 - Revision : 1 - Type : FILE-OTHER
2019-03-05 Ghostscript PostScript remote code execution attempt
RuleID : 49085 - Revision : 1 - Type : FILE-OTHER

Alert History

If you want to see full details history, please login or register.
0
Date Informations
2020-03-19 13:18:12
  • First insertion