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.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://jvn.jp/en/jp/JVN52486659/index.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.html	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/11/15/1	Mailing List Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0222	Third Party Advisory
https://bugs.ghostscript.com/show_bug.cgi?id=701841	Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14869	Issue Tracking Patch Third Party Advisory
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=485904772c5f
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2Q4E3OTDAJRSUCOBTDQO7Y5UTE2FFMLF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HC4REO73BEJOJAU7NHFHJECAUAYJUE3H/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IX55AEDERTDFEZAROKZW64MZRPLINEGI/
https://seclists.org/bugtraq/2019/Nov/27	Issue Tracking Mailing List Third Party Advisory
http://jvn.jp/en/jp/JVN52486659/index.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.html	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/11/15/1	Mailing List Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0222	Third Party Advisory
https://bugs.ghostscript.com/show_bug.cgi?id=701841	Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14869	Issue Tracking Patch Third Party Advisory
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=485904772c5f
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2Q4E3OTDAJRSUCOBTDQO7Y5UTE2FFMLF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HC4REO73BEJOJAU7NHFHJECAUAYJUE3H/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IX55AEDERTDFEZAROKZW64MZRPLINEGI/
https://seclists.org/bugtraq/2019/Nov/27	Issue Tracking Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:29:::::::*
	cpe:2.3:o:fedoraproject:fedora:30:::::::*
	cpe:2.3:o:fedoraproject:fedora:31:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:opensuse:leap:15.0:::::::*
	cpe:2.3:o:opensuse:leap:15.1:::::::*

History

21 Nov 2024, 04:27

Type	Values Removed	Values Added
References	~~() http://jvn.jp/en/jp/JVN52486659/index.html - Third Party Advisory~~	() http://jvn.jp/en/jp/JVN52486659/index.html - Third Party Advisory
References	~~() http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.html - Mailing List, Third Party Advisory
References	~~() http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.html - Mailing List, Third Party Advisory
References	~~() http://www.openwall.com/lists/oss-security/2019/11/15/1 - Mailing List, Patch, Third Party Advisory~~	() http://www.openwall.com/lists/oss-security/2019/11/15/1 - Mailing List, Patch, Third Party Advisory
References	~~() https://access.redhat.com/errata/RHSA-2020:0222 - Third Party Advisory~~	() https://access.redhat.com/errata/RHSA-2020:0222 - Third Party Advisory
References	~~() https://bugs.ghostscript.com/show_bug.cgi?id=701841 - Permissions Required~~	() https://bugs.ghostscript.com/show_bug.cgi?id=701841 - Permissions Required
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14869 - Issue Tracking, Patch, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14869 - Issue Tracking, Patch, Third Party Advisory
References	~~() https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=485904772c5f -~~	() https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=485904772c5f -
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2Q4E3OTDAJRSUCOBTDQO7Y5UTE2FFMLF/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2Q4E3OTDAJRSUCOBTDQO7Y5UTE2FFMLF/ -
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HC4REO73BEJOJAU7NHFHJECAUAYJUE3H/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HC4REO73BEJOJAU7NHFHJECAUAYJUE3H/ -
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IX55AEDERTDFEZAROKZW64MZRPLINEGI/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IX55AEDERTDFEZAROKZW64MZRPLINEGI/ -
References	~~() https://seclists.org/bugtraq/2019/Nov/27 - Issue Tracking, Mailing List, Third Party Advisory~~	() https://seclists.org/bugtraq/2019/Nov/27 - Issue Tracking, Mailing List, Third Party Advisory

Information

Published : 2019-11-15 12:15

Updated : 2024-11-21 04:27

NVD link : CVE-2019-14869

Mitre link : CVE-2019-14869

CVE.ORG link : CVE-2019-14869

JSON object : View

Products Affected

artifex

ghostscript

opensuse

leap

fedoraproject

fedora

CWE

CWE-648

Incorrect Use of Privileged APIs

CWE-732

Incorrect Permission Assignment for Critical Resource

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"af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2019/11/15/1", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2020:0222", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugs.ghostscript.com/show_bug.cgi?id=701841", "tags": ["Permissions Required"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14869", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=485904772c5f", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2Q4E3OTDAJRSUCOBTDQO7Y5UTE2FFMLF/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HC4REO73BEJOJAU7NHFHJECAUAYJUE3H/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IX55AEDERTDFEZAROKZW64MZRPLINEGI/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://seclists.org/bugtraq/2019/Nov/27", "tags": ["Issue Tracking", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-648"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-732"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se detect\u00f3 un fallo en todas las versiones de ghostscript 9.x en versiones anteriores a la 9.50, donde el procedimiento \".charkeys\", donde no aseguraba apropiadamente sus llamadas privilegiadas, permitiendo que los scripts omitieran las restricciones \"-dSAFER\". Un atacante podr\u00eda abusar de este fallo mediante la creaci\u00f3n de un archivo PostScript especialmente dise\u00f1ado que podr\u00eda aumentar los privilegios dentro de Ghostscript y acceder a archivos fuera de \u00e1reas restringidas o ejecutar comandos."}], "lastModified": "2024-11-21T04:27:32.770", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D888AD41-9C8D-44AA-8820-862107522BFF", "versionEndExcluding": "9.50", "versionStartIncluding": "9.00"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9"}, {"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}

8.8 /10