Arch Linux update for calibre



Published: 2018-03-12
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-7889
CWE-ID CWE-77
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Operating systems & Components / Operating system

Vendor Arch Linux

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Command injection

EUVDB-ID: #VU10930

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7889

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

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.

Mitigation

Update the affected package calibre to version 3.19.0-1.

Vulnerable software versions

Arch Linux: All versions

CPE2.3 External links

http://security.archlinux.org/advisory/ASA-201803-8


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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