SB2018022245 - Fedora 26 update for leptonica, mingw-leptonica
Published: February 22, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018022245
Severity
High
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Command injection (CVE-ID: CVE-2018-3836)
The vulnerability allows a remote attacker to inject arbitrary commands.The weakness exists in the gplotMakeOutput function due to insufficient validation of user-supplied input. A local attacker can submit a specially crafted gplot rootname argument, inject arbitrary commands and execute arbitrary code with system or root privileges.
Successful exploitation of the vulnerabiiity may result in system compromise.
2) Stack-based buffer overflow (CVE-ID: CVE-2018-7186)
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.The weakness exists in the gplotRead and ptaReadStream functions due to stack-based buffer overflow. A remote attacker can trigger memory corruption and cause the service to crash.
3) Buffer overflow (CVE-ID: CVE-2018-7247)
The vulnerability allows a remote unauthenticated attacker to execute arbitrary code on the target system.The weakness exists in the pixHtmlViewer function due to buffer overflow. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.