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-2021-20303 First vendor Publication 2022-03-04
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Overall CVSS Score 6.1
Base Score 6.1 Environmental Score 6.1
impact SubScore 4.2 Temporal Score 6.1
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact Low 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:P/A:P)
Cvss Base Score 5.8 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20303

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=25505
https://bugzilla.redhat.com/show_bug.cgi?id=1939151
https://github.com/AcademySoftwareFoundation/openexr/pull/831
MLIST https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html

Alert History

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Date Informations
2023-11-07 21:32:43
  • Multiple Updates
2022-12-13 09:27:32
  • Multiple Updates
2022-12-12 09:27:29
  • Multiple Updates
2022-03-11 00:22:59
  • Multiple Updates
2022-03-05 09:22:53
  • Multiple Updates
2022-03-04 21:22:54
  • First insertion