Medium severity · published Dec 28, 2018
CVE-2018-20551
A reachable Object::getString assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to construction of invalid rich media annotation assets in the…
6.5
CVSS
1.9%
EPSS
No
On KEV
Description
A reachable Object::getString assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to construction of invalid rich media annotation assets in the AnnotRichMedia class in Annot.c.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
Poppler · Freedesktop
0.72.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20551
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20551
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2713
Exploit
https://gitlab.freedesktop.org/poppler/poppler/issues/703
Patch
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/146
Third Party Advisory
https://usn.ubuntu.com/3886-1/
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