Vulnerability Description
XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef entries, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PDF document, when XRefEntry::setFlag in XRef.h is called from Parser::makeStream in Parser.cc.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freedesktop | Poppler | 0.72.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/106321Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2022
- https://access.redhat.com/errata/RHSA-2019:2713
- https://gitlab.freedesktop.org/poppler/poppler/issues/692ExploitIssue TrackingVendor Advisory
- https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00008.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html
- https://usn.ubuntu.com/3865-1/Third Party Advisory
- http://www.securityfocus.com/bid/106321Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2022
- https://access.redhat.com/errata/RHSA-2019:2713
- https://gitlab.freedesktop.org/poppler/poppler/issues/692ExploitIssue TrackingVendor Advisory
- https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00008.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html
FAQ
What is CVE-2018-20481?
CVE-2018-20481 is a vulnerability with a CVSS score of 6.5 (MEDIUM). XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef entries, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PDF document, when ...
How severe is CVE-2018-20481?
CVE-2018-20481 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-2018-20481?
Check the references section above for vendor advisories and patch information. Affected products include: Freedesktop Poppler, Canonical Ubuntu Linux, Debian Debian Linux.