Privilege Escalation Vulnerability in Artifex Ghostscript Software
CVE-2018-16509

7.8HIGH

Key Information:

Vendor
Debian
Status
Debian Linux
Vendor
CVE Published:
5 September 2018

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 91%

Summary

A vulnerability was identified in Artifex Ghostscript prior to version 9.24, where inadequate checks during the processing of /invalidaccess exceptions can be exploited. Attackers capable of crafting malicious PostScript can manipulate the execution flow by using the 'pipe' instruction, potentially leading to unauthorized code execution on the system.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Metasploit exploit module for CVE-2018-16509
Created by Rapid7

PIL-RCE-Ghostscript-CVE-2018-16509
Created by farisv

CVE-2018-16509
Created by knqyf263

References

http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh...
x_refsource_MISC
https://www.exploit-db.com/exploits/45369/
exploitx_refsource_EXPLOIT-DB
https://bugs.ghostscript.com/show_bug.cgi?id=699654
x_refsource_MISC

EPSS Score

91% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.