CVE-2018-7889

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.32% Top 15%
Third-Party Advisory launchpad.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.launchpad.net/calibre/+bug/1753870 third party advisory exploit
https://github.com/kovidgoyal/calibre/commit/aeb5b036a0bf657951756688b3c72bd68b6e4a7d patch

Frequently Asked Questions

What is the severity of CVE-2018-7889?
CVE-2018-7889 has been scored as a high severity vulnerability.
How to fix CVE-2018-7889?
To fix CVE-2018-7889, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-7889 being actively exploited in the wild?
It is possible that CVE-2018-7889 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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