Memory Corruption Vulnerability in Artifex Ghostscript
CVE-2020-15900

9.8CRITICAL

Key Information:

Vendor

Artifex
Status
Ghostscript
Vendor
CVE Published:
28 July 2020

What is CVE-2020-15900?

A memory corruption issue exists in Artifex Ghostscript versions 9.50 and 9.52, stemming from the use of a non-standard PostScript operator that can override file access controls. This vulnerability arises when the 'rsearch' calculation for the 'post' size is incorrectly determined, potentially allowing for an underflow condition. The issue was addressed in a specific commit to enhance security protocols associated with the affected software.

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References

http://git.ghostscript.com/?p=ghostpdl.git%3Ba=log
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https://github.com/ArtifexSoftware/ghostpdl/commits/maste...
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https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdif...
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EPSS Score

12% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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