Input validation error in ghostscript (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-16307
CWE-ID CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
 ghostscript (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU45849

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-16307

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 in devices/vector/gdevtxtw.c. A remote attacker can cause a denial of service via a crafted postscript file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ghostscript (Alpine package): 9.50-r0 - 9.52-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=5bb8ae555cbcb0c0d1d32a1aa4e81e00a1803508


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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