Fedora 28 update for ghostscript



| Updated: 2025-04-24
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-15909
CWE-ID CWE-20
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Fedora
Operating systems & Components / Operating system

ghostscript
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU14496

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2018-15909

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions and execute arbitrary system commands.

The vulnerability exists due to improper input validation when processing malformed PostScript, PDF, EPS, or XPS files. A remote attacker can supply a specially crafted file, bypass -dSAFER restrictions and execute arbitrary commands on vulnerable system.


Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 28

ghostscript: before 9.23-6.fc28

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2018-07083800ac


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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