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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2018-7889)

Note that Nessus relies on the presence of the package as reported by the vendor.

Update to calibure 3.19.0. See changelog at:
https://calibre-ebook.com/whats-new 

Fixes CVE-2018-7889

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
254272	Linux Distros Unpatched Vulnerability : CVE-2018-7889	Nessus	Misc.	high
120710	Fedora 28 : calibre (2018-af8b2c28fe)	Nessus	Fedora Local Security Checks	high
108670	Fedora 26 : calibre (2018-6143b1d911)	Nessus	Fedora Local Security Checks	high
108498	Fedora 27 : calibre (2018-5649824f49)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2018-7889

high

Tenable Plugins

high

high

high

high