SB2017091533 - Improper input validation in ruby (Alpine package)
Published: September 15, 2017
Security Bulletin ID
SB2017091533
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2017-0901)
The 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.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=ade270638ee342c0a9a3c46320ffb8382485b762
- https://git.alpinelinux.org/aports/commit/?id=247ca66997e7e154df1a7fbf2d521cdf0e055200
- https://git.alpinelinux.org/aports/commit/?id=473dbc72ff1dad4cee848e9e9359b85d382daaaa
- https://git.alpinelinux.org/aports/commit/?id=9634aa1a2e1e9a1ecd421f6308a3e5e799531370
- https://git.alpinelinux.org/aports/commit/?id=a81871a4d4e0e81d47e0753d7661e774f69a4222