CVE-2018-7889
7.8 · HIGHOverview
CVE-2018-7889 is a high-severity vulnerability affecting calibre-ebook calibre. It was published on March 8, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
gui2/viewer/bookmarkmanager.py in Calibre 3.18 calls cPickle.load on imported bookmark data, which allows remote attackers to execute arbitrary code via a crafted .pickle file, as demonstrated by Python code that contains an os.system call.
Remediation
Check the references section for vendor advisories and patches from calibre-ebook. Update calibre to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2018-7889?
CVE-2018-7889 is a high-severity vulnerability affecting calibre-ebook calibre. It was published on March 8, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).
How severe is CVE-2018-7889?
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-7889?
Check the references section for vendor advisories and patches from calibre-ebook. Update calibre to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-7889?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-7889 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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