CVE-2018-7889 — HIGH (7.8) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Calibre-Ebook	Calibre	3.18.0

Related Weaknesses (CWE)

CWE-502

References

https://bugs.launchpad.net/calibre/+bug/1753870ExploitThird Party Advisory
https://github.com/kovidgoyal/calibre/commit/aeb5b036a0bf657951756688b3c72bd68b6Patch
https://bugs.launchpad.net/calibre/+bug/1753870ExploitThird Party Advisory
https://github.com/kovidgoyal/calibre/commit/aeb5b036a0bf657951756688b3c72bd68b6Patch

FAQ

What is CVE-2018-7889?

CVE-2018-7889 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 Pyth...

How severe is CVE-2018-7889?

CVE-2018-7889 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-7889?

Check the references section above for vendor advisories and patch information. Affected products include: Calibre-Ebook Calibre.