Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-20300 First vendor Publication 2022-03-04
Vendor Cve Last vendor Modification 2022-12-13

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:C)
Cvss Base Score 7.1 Attack Range Network
Cvss Impact Score 6.9 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 hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20300

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 5
Os 1

Sources (Detail)

Source Url
MISC https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562
https://bugzilla.redhat.com/show_bug.cgi?id=1939153
https://github.com/AcademySoftwareFoundation/openexr/pull/836
MLIST https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html

Alert History

If you want to see full details history, please login or register.
0
1
2
3
4
Date Informations
2022-12-13 09:27:32
  • Multiple Updates
2022-12-12 09:27:29
  • Multiple Updates
2022-03-17 09:22:57
  • Multiple Updates
2022-03-05 09:22:53
  • Multiple Updates
2022-03-04 21:22:54
  • First insertion