CVE-2017-9835: artifex ghostscript Integer Overflow or Wraparound

Vulnerability summary

CVE-2017-9835 is a high (CVSS 7.8) Integer Overflow or Wraparound vulnerability in artifex ghostscript. EPSS estimates a 2.79% chance of exploitation in the next 30 days, higher than 86.3% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 26-07-2017
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

The gs_alloc_ref_array function in psi/ialloc.c in Artifex Ghostscript 9.21 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted PostScript document. This is related to a lack of an integer overflow check in base/gsalloc.c.

• CWE-190Integer Overflow or WraparoundThe product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.