CVE-2018-16802

Description

An issue was discovered in Artifex Ghostscript before 9.25. Incorrect "restoration of privilege" checking when running out of stack during exception handling could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction. This is due to an incomplete fix for CVE-2018-16509.

7.8

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.90% Top 30%

Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory debian.org

Affected: n/a n/a

References

Link	Tags
https://seclists.org/oss-sec/2018/q3/228	third party advisory mailing list
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=5812b1b78fc4d36fdc293b7859de69241140d590
https://seclists.org/oss-sec/2018/q3/229	third party advisory mailing list
https://security.gentoo.org/glsa/201811-12	third party advisory vendor advisory
https://usn.ubuntu.com/3768-1/	third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3834	third party advisory vendor advisory
https://www.debian.org/security/2018/dsa-4294	third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html	third party advisory mailing list
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=643b24dbd002fb9c131313253c307cf3951b3d47
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=3e5d316b72e3965b7968bb1d96baa137cd063ac6

Frequently Asked Questions

What is the severity of CVE-2018-16802?: CVE-2018-16802 has been scored as a high severity vulnerability.
How to fix CVE-2018-16802?: To fix CVE-2018-16802, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-16802 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2018-16802 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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