CVE-2018-20650

Description

A reachable Object::dictLookup assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to the lack of a check for the dict data type, as demonstrated by use of the FileSpec class (in FileSpec.cc) in pdfdetach.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.50%
Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.freedesktop.org/poppler/poppler/issues/704 patch third party advisory issue tracking
https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fc9622fc35695b7 third party advisory patch
http://www.securityfocus.com/bid/106459 third party advisory vdb entry
https://usn.ubuntu.com/3865-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2022 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2713 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2020/11/msg00014.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2022/09/msg00030.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2018-20650?
CVE-2018-20650 has been scored as a medium severity vulnerability.
How to fix CVE-2018-20650?
To fix CVE-2018-20650, 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-2018-20650 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-20650 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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