Ghostscript CVE-2018-18284 Security Bypass Vulnerability

Bugtraq ID:	107451
Class:	Input Validation Error
CVE:	CVE-2018-18284
Remote:	Yes
Local:	No
Published:	Oct 19 2018 12:00AM
Updated:	Apr 26 2019 08:00AM
Credit:	The vendor reported this issue.
Vulnerable:	Ubuntu Ubuntu Linux 18.10 Ubuntu Ubuntu Linux 18.04 LTS Ubuntu Ubuntu Linux 16.04 LTS Ubuntu Ubuntu Linux 14.04 LTS Redhat Enterprise Linux Workstation 7 Redhat Enterprise Linux Server - Update Services for SAP Solutions 7.6 Redhat Enterprise Linux Server - TUS 7.6 Redhat Enterprise Linux Server - Extended Update Support 7.6 Redhat Enterprise Linux Server - AUS 7.6 Redhat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7. Redhat Enterprise Linux Server 7 Redhat Enterprise Linux for Scientific Computing 7 Redhat Enterprise Linux for Power, little endian - Extended Update Supp 7.6 Redhat Enterprise Linux for Power, little endian 7 Redhat Enterprise Linux for Power, big endian - Extended Update Support 7.6 Redhat Enterprise Linux for Power, big endian 7 Redhat Enterprise Linux for Power 9 7 Redhat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 Redhat Enterprise Linux for IBM z Systems 7 Redhat Enterprise Linux for IBM System z (Structure A) 7 Redhat Enterprise Linux for ARM 64 7 Redhat Enterprise Linux EUS Compute Node 7.6 Redhat Enterprise Linux Desktop 7 Pulse Secure Pulse Connect Secure 9.0R3 Pulse Secure Pulse Connect Secure 9.0R2 Pulse Secure Pulse Connect Secure 9.0R1 Pulse Secure Pulse Connect Secure 8.3R7 Pulse Secure Pulse Connect Secure 8.3R6 Pulse Secure Pulse Connect Secure 8.3R5 Pulse Secure Pulse Connect Secure 8.3R4 Pulse Secure Pulse Connect Secure 8.3R1 Pulse Secure Pulse Connect Secure 8.3 R1 Pulse Secure Pulse Connect Secure 8.2R6 Pulse Secure Pulse Connect Secure 8.2R5 Pulse Secure Pulse Connect Secure 8.2R11 Pulse Secure Pulse Connect Secure 8.2R10 Pulse Secure Pulse Connect Secure 8.2R1.1 Pulse Secure Pulse Connect Secure 8.2R1 Pulse Secure Pulse Connect Secure 8.2R0 Artifex Ghostscript 9.25 Artifex Ghostscript 9.22 Artifex Ghostscript 9.21 Artifex Ghostscript 9.07
Not Vulnerable:	Pulse Secure Pulse Connect Secure 9.0R4 Pulse Secure Pulse Connect Secure 9.0R3.4 Pulse Secure Pulse Connect Secure 8.3R7.1 Pulse Secure Pulse Connect Secure 8.2R12.1

Ghostscript CVE-2018-18284 Security Bypass Vulnerability

Ghostscript is prone to a security-bypass vulnerability.

Successful exploits may allow an attacker to bypass certain security restrictions and to perform unauthorized actions; this may aid in launching further attacks.

Ghostscript version 9.25 and prior are vulnerable.

Ghostscript CVE-2018-18284 Security Bypass Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Ghostscript CVE-2018-18284 Security Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Ghostscript CVE-2018-18284 Security Bypass Vulnerability

References:

• Ghostscript Homepage (Ghostscript)
  
• USN-3803-1: Ghostscript vulnerabilities (Ubuntu)
  
• DSA-4336-1 ghostscript -- security update (Debian)
  
• Make .forceput unavailable from '.policyprocs' helper dictionary (ghostscript)
  
• RHSA-2018:3834 - Security Advisory (Redhat)
  
• SA44101 - 2019-04: Out-of-Cycle Advisory: Multiple vulnerabilities resolved in P (Pulse Secure)