Vulnerability CVE-2018-20650
Published: 2019-01-01

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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Freedesktop -> Poppler 
Canonical -> Ubuntu linux 

 References:
http://www.securityfocus.com/bid/106459
https://access.redhat.com/errata/RHSA-2019:2022
https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fc9622fc35695b7
https://gitlab.freedesktop.org/poppler/poppler/issues/704
https://usn.ubuntu.com/3865-1/
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