Executive Summary

Informations
Name CVE-2021-20299 First vendor Publication 2022-03-16
Vendor Cve Last vendor Modification 2022-12-13

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
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

A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20299

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 5
Os 1

Sources (Detail)

Source Url
MISC https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25740
https://bugzilla.redhat.com/show_bug.cgi?id=1939154
https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293...
MLIST https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html

Alert History

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Date Informations
2022-12-13 09:27:31
  • Multiple Updates
2022-12-12 09:27:29
  • Multiple Updates
2022-03-22 21:22:57
  • Multiple Updates
2022-03-16 21:22:52
  • Multiple Updates
2022-03-16 17:22:53
  • First insertion