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CVE
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CVE-2018-20650Date: (C)2019-04-22   (M)2023-12-22


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 and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.5CVSS Score : 4.3
Exploit Score: 2.8Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
BID-106459
RHSA-2019:2022
RHSA-2019:2713
USN-3865-1
https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html
https://lists.debian.org/debian-lts-announce/2020/11/msg00014.html
https://lists.debian.org/debian-lts-announce/2022/09/msg00030.html
https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fc9622fc35695b7
https://gitlab.freedesktop.org/poppler/poppler/issues/704

CPE    3
cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
cpe:/o:canonical:ubuntu_linux:14.04::~~lts~~~
CWE    1
CWE-20
OVAL    19
oval:org.secpod.oval:def:2103901
oval:org.secpod.oval:def:66760
oval:org.secpod.oval:def:89045847
oval:org.secpod.oval:def:1601043
...

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