[manjaro-security] [ASA-201803-8] calibre: arbitrary command execution

[Jelle van der Waa]

Arch Linux Security Advisory ASA-201803-8
=========================================

Severity: High
Date    : 2018-03-11
CVE-ID  : CVE-2018-7889
Package : calibre
Type    : arbitrary command execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-650

Summary
=======

The package calibre before version 3.19.0-1 is vulnerable to arbitrary
command execution.

Resolution
==========

Upgrade to 3.19.0-1.

# pacman -Syu "calibre>=3.19.0-1"

The problem has been fixed upstream in version 3.19.0.

Workaround
==========

None.

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.

Impact
======

A remote attacker is able to execute arbitrary commands by tricking the
user into importing a specially crafted bookmark.

References
==========

https://bugs.launchpad.net/calibre/+bug/1753870
https://github.com/kovidgoyal/calibre/commit/aeb5b036a0bf657951756688b3c72bd68b6e4a7d
https://security.archlinux.org/CVE-2018-7889
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