SB2017092707 - Fedora EPEL 7 update for freexl
Published: September 27, 2017 Updated: April 24, 2025
Security Bulletin ID
SB2017092707
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 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2017-2923)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists in the read_biff_next_record function due to heap-based buffer overflow while processing crafted XLS files. A remote attacker can trick the victim into opening a specially crafted XLS file trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
2) Heap-based buffer overflow (CVE-ID: CVE-2017-2924)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists in the read_legacy_biff function due to heap-based buffer overflow while processing crafted XLS files. A remote attacker can trick the victim into opening a specially crafted XLS file, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.