High severity · published Nov 15, 2019
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…
8.8
CVSS
3.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
29; 30; 31 · source: NVD
GH
Ghostscript · Artifex
9.00 before 9.50 · source: NVD
LE
Leap · Opensuse
15.0; 15.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-14869
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-14869
Third Party Advisory
http://jvn.jp/en/jp/JVN52486659/index.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00049.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00050.html
Mailing List
http://www.openwall.com/lists/oss-security/2019/11/15/1
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0222
Permissions Required
https://bugs.ghostscript.com/show_bug.cgi?id=701841
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