SB2018081106 - Fedora 28 update for unixODBC
Published: August 11, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018081106
CSH Severity
High
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2018-7409)
CWE-ID: CWE-120 - Buffer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote unauthenticated attacker to cause DoS condition or execute arbitrary code on the target system.
The weakness exists in the unicode_to_ansi_copy() function due to buffer overflow. A remote attacker can send specially crafted input, cause the service to crash or execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
2) Memory corruption (CVE-ID: CVE-2018-7485)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the SQLWriteFileDSN function due to boundary error. A remote attacker can trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.