PT-2018-18307 · Kovid Goyal+1 · Calibre+1

Ayrx · Published 2018-03-08 · Updated 2018-10-19 · CVE-2018-7889

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Calibre version 3.18

Description: The issue concerns the execution of arbitrary code via a crafted .pickle file. Specifically, the gui2/viewer/bookmarkmanager.py module in Calibre calls cPickle.load on imported bookmark data, allowing remote attackers to execute arbitrary code. This can be demonstrated by Python code that contains an os.system call.

Recommendations: For Calibre version 3.18, consider avoiding the use of cPickle.load on untrusted input until a patch is available. As a temporary workaround, restrict the import of bookmark data from untrusted sources to minimize the risk of exploitation.

Exploit

Fix

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

ALT-PU-2018-1454

CVE-2018-7889

MGASA-2018-0399

Affected Products

Alt Linux

Calibre

References · 16

• 🔥 https://bugs.launchpad.net/calibre/+bug/1753870 · Exploit
• https://github.com/kovidgoyal/calibre/commit/aeb5b036a0bf657951756688b3c72bd68b6e4a7d · Patch
• https://ubuntu.com/security/CVE-2018-7889 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-7889 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-7889 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-7889 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-7889 · Security Note
• https://advisories.mageia.org/MGASA-2018-0399.html · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-7889 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-7889 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0399 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7889 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/VUNMTXK3UTN636LOBG63UDSTVM4AF26T · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2018-1454 · Vendor Advisory
• https://packages.altlinux.org/ru/vuln/CVE-2018-7889 · Note