Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freedesktop | Poppler | 0.72.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Eus | 8.1 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 8.2 |
| Redhat | Enterprise Linux Server Tus | 8.2 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/106459Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2022Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2713Third Party Advisory
- https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fPatchThird Party Advisory
- https://gitlab.freedesktop.org/poppler/poppler/issues/704Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00033.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00014.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00030.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/3865-1/Third Party Advisory
- http://www.securityfocus.com/bid/106459Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2022Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2713Third Party Advisory
- https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fPatchThird Party Advisory
- https://gitlab.freedesktop.org/poppler/poppler/issues/704Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00033.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-20650?
CVE-2018-20650 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...
How severe is CVE-2018-20650?
CVE-2018-20650 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20650?
Check the references section above for vendor advisories and patch information. Affected products include: Freedesktop Poppler, Canonical Ubuntu Linux, Debian Debian Linux, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop.