Use-after-free in ghostscript (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-16303 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
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) Use-after-free
EUVDB-ID: #VU45845
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-16303
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing a crafted PDF file in devices/vector/gdevxps.c. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsghostscript (Alpine package): 9.50-r0 - 9.52-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=5bb8ae555cbcb0c0d1d32a1aa4e81e00a1803508
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.
