Amazon Linux AMI update for ghostscript



Published: 2023-10-25
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-16294
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Amazon Linux AMI
Operating systems & Components / Operating system

ghostscript
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU45836

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-16294

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PDF file.

Mitigation

Update the affected packages:

i686:
    ghostscript-devel-8.70-24.33.amzn1.i686
    ghostscript-debuginfo-8.70-24.33.amzn1.i686
    ghostscript-8.70-24.33.amzn1.i686
    ghostscript-doc-8.70-24.33.amzn1.i686

src:
    ghostscript-8.70-24.33.amzn1.src

x86_64:
    ghostscript-8.70-24.33.amzn1.x86_64
    ghostscript-devel-8.70-24.33.amzn1.x86_64
    ghostscript-doc-8.70-24.33.amzn1.x86_64
    ghostscript-debuginfo-8.70-24.33.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

ghostscript: before 8.70-24.33

External links

http://alas.aws.amazon.com/ALAS-2023-1867.html


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.



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