CVE-2019-14869

HIGHCVSS 8.8/10EPSS 3.43%

Last modified

CVE-2019-14869 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.. EPSS estimates a 3.43% chance of exploitation in the next 30 days.

Description

A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
3.43%

87.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ArtifexGhostscript>= 9.00, < 9.50
FedoraprojectFedora29
FedoraprojectFedora30
FedoraprojectFedora31
OpensuseLeap15.0
OpensuseLeap15.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-14869?
A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.
How severe is CVE-2019-14869?
CVE-2019-14869 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.43% probability of exploitation in the next 30 days.
How do I fix CVE-2019-14869?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-14869?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST