CVE-2019-6116

Ghostscript 9.26 - Pseudo-Operator Remote Code Execution

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In Artifex Ghostscript through 9.26, ephemeral or transient procedures can allow access to system operators, leading to remote code execution.

En Artifex Ghostscript hasta la versión 9.26, los procedimientos ephemeral o transient pueden permitir el acceso a los operadores del sistema, lo que conduce a la ejecución remota de código.

It was found that ghostscript could leak sensitive operators on the operand stack when a pseudo-operator pushes a subroutine. A specially crafted PostScript file could use this flaw to escape the -dSAFER protection in order to, for example, have access to the file system outside of the SAFER constraints.

Ghostscript has an issue with pseudo-operators that can lead to remote code execution. Version 9.26 is affected.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-01-10 CVE Reserved
2019-01-23 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-11-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (24)

URL	Tag	Source
http://lists.opensuse.org/opensuse-security-announce/2019-01/msg00047.html	Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-01/msg00048.html	Mailing List
http://packetstormsecurity.com/files/151307/Ghostscript-Pseudo-Operator-Remote-Code-Execution.html	Third Party Advisory
http://packetstormsecurity.com/files/152367/Slackware-Security-Advisory-ghostscript-Updates.html	Third Party Advisory
http://www.securityfocus.com/bid/106700	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00016.html	Mailing List
https://seclists.org/bugtraq/2019/Apr/4	Mailing List

URL	Date	SRC
https://www.exploit-db.com/exploits/46242	2024-08-04
http://www.openwall.com/lists/oss-security/2019/01/23/5	2024-08-04
https://bugs.chromium.org/p/project-zero/issues/detail?id=1729	2024-08-04
https://bugs.ghostscript.com/show_bug.cgi?id=700317	2024-08-04

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2019/03/21/1	2023-11-07

URL	Date	SRC
https://access.redhat.com/errata/RHBA-2019:0327	2023-11-07
https://access.redhat.com/errata/RHSA-2019:0229	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6AATIHU32MYKUOXQDJQU4X4DDVL7NAY3	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7N6T5L3SSJX2AVUPHP7GCPATFWUPKZT2	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MWVAVCDXBLPLJMVGNSKGGDTBEOHCJBKK	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XVWXVKG72IGEJYHLWE6H3CGALHGFSGGY	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZP34D27RKYV2POJ3NJLSVCHUA5V5C45A	2023-11-07
https://security.gentoo.org/glsa/202004-03	2023-11-07
https://usn.ubuntu.com/3866-1	2023-11-07
https://www.debian.org/security/2019/dsa-4372	2023-11-07
https://access.redhat.com/security/cve/CVE-2019-6116	2019-01-31
https://bugzilla.redhat.com/show_bug.cgi?id=1666636	2019-01-31

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Artifex Search vendor "Artifex"		Ghostscript Search vendor "Artifex" for product "Ghostscript"				<= 9.26 Search vendor "Artifex" for product "Ghostscript" and version " <= 9.26"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				28 Search vendor "Fedoraproject" for product "Fedora" and version "28"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				29 Search vendor "Fedoraproject" for product "Fedora" and version "29"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				30 Search vendor "Fedoraproject" for product "Fedora" and version "30"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.0 Search vendor "Opensuse" for product "Leap" and version "15.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				42.3 Search vendor "Opensuse" for product "Leap" and version "42.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected