Executive Summary

Informations
Name CVE-2021-39538 First vendor Publication 2021-09-20
Vendor Cve Last vendor Modification 2021-09-24

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function node::ObjNode::Value() located in objnode.cpp. It allows an attacker to cause Denial of Service.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39538

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

Sources (Detail)

Source Url
MISC https://github.com/leonhad/pdftools/issues/4

Alert History

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0
1
Date Informations
2021-09-25 00:22:55
  • Multiple Updates
2021-09-20 21:23:14
  • First insertion