Executive Summary

Informations
Name CVE-2019-20421 First vendor Publication 2020-01-27
Vendor Cve Last vendor Modification 2021-09-14

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:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20421

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3
Os 2

Sources (Detail)

Source Url
DEBIAN https://www.debian.org/security/2021/dsa-4958
MISC https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8
https://github.com/Exiv2/exiv2/issues/1011
MLIST https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
UBUNTU https://usn.ubuntu.com/4270-1/

Alert History

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Date Informations
2021-09-14 17:23:18
  • Multiple Updates
2021-08-30 12:38:05
  • Multiple Updates
2021-08-19 09:23:02
  • Multiple Updates
2021-08-14 21:23:26
  • Multiple Updates
2021-05-04 13:35:39
  • Multiple Updates
2021-04-22 02:47:49
  • Multiple Updates
2020-05-23 02:29:10
  • First insertion