CVE-2018-16540

Aliases:DEBIAN-CVE-2018-16540
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 05 Sept 2018, 18:00
Last modified:05 Aug 2024, 10:24

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
7.8 HIGH
v3.0 (nvd)
EPSS Score
1.56% LOW
2% probability +1.28%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Sept 2018, 18:00
Published
Vulnerability first disclosed
05 Aug 2024, 10:24
Last Modified
Vulnerability information updated

Description

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files to the builtin PDF14 converter could use a use-after-free in copydevice handling to crash the interpreter or possibly have unspecified other impact.

CVSS Metrics

  • v3.0•HIGH•Score: 7.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 1.56%• Percentile: 74%

Techniques & Countermeasures

  • CWE-416•Use After Free

    The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Affected Systems

  • artifex•ghostscript

    < 9.24

  • canonical•ubuntu_linux

    14.04 | 16.04 | 18.04

  • debian•ghostscript

    < 9.22~dfsg-3 | < 9.22~dfsg-3 | < 9.22~dfsg-3 | < 9.22~dfsg-3

  • debian•debian_linux

    8.0 | 9.0

  • redhat•enterprise_linux

    7.0

  • redhat•enterprise_linux_desktop

    7.0

  • redhat•enterprise_linux_server

    7.0 | 7.6

  • redhat•enterprise_linux_server_aus

    7.6

  • redhat•enterprise_linux_server_eus

    7.5 | 7.6

  • redhat•enterprise_linux_server_tus

    7.6

  • redhat•enterprise_linux_workstation

    7.0

  • redhat•openshift_container_platform

    3.11

References (10)