SB2017091531 - Information disclosure in ruby (Alpine package)
Published: September 15, 2017
Security Bulletin ID
SB2017091531
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2017-10784)
The vulnerability allows a remote attacker to cause DoS condition or obtain potentially sensitive information on the target system.The weakness exists due to escape sequence injection vulnerability in the Basic authentication of WEBrick. A remote attacker can supply a specially crafted user name value to the WEBrick Basic authentication function, inject escape sequence into the log file and view log contents.
Successful exploitation of the vulnerability results in information disclosure or denial of service.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=0bba17025ab6922c000ede63361dd0220e92ed31
- https://git.alpinelinux.org/aports/commit/?id=8e71f2e5fdb9d522368ddca664bf4a3f68864028
- 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=4bc390578181cbfbf21af60f9434190448063933
- https://git.alpinelinux.org/aports/commit/?id=ebd760c70a8114510ac144d9ae736ed4ed131615
- https://git.alpinelinux.org/aports/commit/?id=a81871a4d4e0e81d47e0753d7661e774f69a4222