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CVE-2018-16802

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2018-3834-01
Posted Dec 18, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3834-01 - The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
systems | linux, redhat
advisories | CVE-2018-15911, CVE-2018-16541, CVE-2018-16802, CVE-2018-17183, CVE-2018-17961, CVE-2018-18073, CVE-2018-18284, CVE-2018-19134, CVE-2018-19409
SHA-256 | f5f96e39e74386a862dbdf24dde2652838709fb7d29500c0d76bd6ebb2ae845e
Debian Security Advisory 4294-1
Posted Sep 17, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4294-1 - Tavis Ormandy discovered multiple vulnerabilites in Ghostscript, an interpreter for the PostScript language, which could result in the execution of arbitrary code if a malformed Postscript file is processed (despite the dSAFER sandbox being enabled).

tags | advisory, arbitrary
systems | linux, debian
advisories | CVE-2018-16509, CVE-2018-16802
SHA-256 | 45e8cc03f17d1c003d8c0c70b9c56bf113fa26a077c1c2d1be4862854c7547b1
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