SB2017103012 - Denial of service in RubyGems Optimized XML
Published: October 30, 2017 Updated: March 19, 2018
Security Bulletin ID
SB2017103012
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer over-read (CVE-ID: CVE-2017-16229)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in the read_from_str function due to stack-based buffer overread. A local attacker can send specially crafted input to be parsed by the sax_parse function, trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.