Improper input validation in prayer (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-0901 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
ruby (Alpine package) Operating systems & Components / Operating system package or component prayer (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) Improper input validation
EUVDB-ID: #VU8057
Risk: Medium
CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2017-0901
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to overwrite arbitrary files on the target system.
The weakness exists due to insufficient validation of user-supplied input. A remote attacker can trick the victim into installing a specially crafted RubyGem and overwrite arbitrary files.
Install update from vendor's website.
Vulnerable software versionsruby (Alpine package): 2.5.0-r0 - 2.7.1-r5
prayer (Alpine package): 1.3.5-r5
ruby (Alpine package):
External linkshttp://git.alpinelinux.org/aports/commit/?id=00e11164a40032afe167743eee57220f912bbc06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user 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.
