SB2018031001 - Fedora 28 update for calibre
Published: March 10, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018031001
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Command injection (CVE-ID: CVE-2018-7889)
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.The weakness exists in gui2/viewer/bookmarkmanager.py in Calibre calls cPickle.load on imported bookmark data due to improper input validation. A remote attacker can send a specially crafted .pickle file, as demonstrated by Python code that contains an os.system call, inject arbitrary command and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.