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CVE-2018-20650

Date: January 1, 2019

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.

Language: C++

Severity Score

Related Resources (13)

https://usn.ubuntu.com/3865-1/
https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html
https://access.redhat.com/errata/RHSA-2019:2022
https://lists.debian.org/debian-lts-announce/2022/09/msg00030.html
https://gitlab.freedesktop.org/poppler/poppler/issues/704
https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fc9622fc35695b7
https://security-tracker.debian.org/tracker/CVE-2018-20650
http://www.securityfocus.com/bid/106459
https://access.redhat.com/errata/RHSA-2019:2713
https://nvd.nist.gov/vuln/detail/CVE-2018-20650
https://lists.debian.org/debian-lts-announce/2020/11/msg00014.html
https://access.redhat.com/security/cve/CVE-2018-20650
https://www.mend.io/vulnerability-database/CVE-2018-20650

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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